Today only, juliasdiamondsonline via eBay offers this 1.5-Total Carat Weight Black Diamond Ring (pictured) for $195 with free shipping. That's $205 under the lowest total price we could find for a similar black diamond solitaire ring. It's available in sizes 4 to 10.

Also available are these 0.25-Total Carat Weight 14K White Gold Diamond Stud Earrings for $195 with free shipping. That's the lowest total price we could find for a similar set by $55. Each earring features a round brilliant cut diamond with VVS2 clarity and D color.

As one of its daily deals, GeekDeal via eBay offers the Garmin nüvi 2455LT 4.3" Portable GPS Navigation System with Lifetime Traffic Updates, model no. 010-01001-30, for $89.99 with free shipping. That's the lowest total price we could find by $70. (For further comparison, it's $9 less than a unit we saw in March with both lifetime traffic and map updates.) Features include a 4.3" 480x272 touchscreen LCD, free lifetime traffic updates, lane assist, more than 8 million points of interest, microSD card slot, USB connectivity, and more. Deal ends today.

1SaleaDay via eBay offers the 3.4-lb., refurbished Dell Inspiron 11z Intel Core i3 1.2GHz 11.6" LED-Backlit Laptop in Black, model no. IM11Z-3593BLK, for $259.99 with free shipping. That's $240 off list and the least expensive Dell Inspiron 11z we've ever seen. It features an Intel Core i3-330UM 1.2GHz dual-core processor, 11.6" 1366x768 LED-backlit display, 2GB RAM, 250GB hard drive, 802.11n wireless, 3G/4G connectivity via Spring (sold separately), webcam, media card reader, HDMI, 6-cell battery, and Windows 7 Home Premium 64-bit.

Note that no optical drive is included, and no warranty information is provided.

Big Value Inc. via eBay offers the Fujifilm FinePix REAL 3D W3 10-Megapixel Digital Camera in Black for $169.99 with free shipping. That's the lowest total price we could find by $6. Features include a 3.5" color LCD display, two 3x optical zoom lenses (for 3D effect and 3D movies), 1280x720 (720p) video capture, 34MB internal memory, HDMI output, SD/SDHC card slot, USB connectivity, and more.

Fila Factory via eBay offers the FILA Men's Skele-toes Bay Runner 3 Shoes in four three colors (Black/Red pictured) for $25.99 with free shipping. That's the lowest total price we could find by $17. They're available in sizes 7 to 14 7, 8, or 13, although not in every size/color combination.

1st Web Sales via eBay offers this Electronic Bug Zapper for $6.53 with free shipping. (5stardeal.com has it for pennies more.) That's the lowest total price we could find by a buck, although we saw it for $2 less in February. This device allows you to electrically incinerate bugs by swatting them in mid air. It runs for two hours on two AA batteries, not included.

Note, colors will vary.

Nationwide Surplus via eBay offers the Aeon Labs Aeotec Z-Wave Controlled Micro Appliance Switch, model no. DSC26103-ZWUS, for $29.99 with free shipping. That's the lowest total price we could find by $19. Use this with existing wall switches to enable Z-Wave wireless command and on/off control via a Z-Wave controller (not included). It can also report immediate wattage consumption or kWh energy usage over a period of time.

Porter Cable via eBay offers the factory-refurbished Porter-Cable 18-volt Cordless Drill / Driver, model no. PC1801D, bundled with the Porter-Cable Oscillating Tool, model no. PCC510, for $49.99 with free shipping. That's $29 below the lowest total price we could find for a new one . (We saw this kit new for $19 more during Black Friday week.) It comes with a battery, charger, sandpaper sheets, and more. It's covered by a full Porter-Cable product warranty, but the length of the warranty is unknown.

Mikasa via eBay offers the Mikasa Block Ice Vodka Glass Set, model no. 5041217, for $9.99 with free shipping. That's $6 under our mention from three weeks ago the lowest total price we've seen. (Mikasa direct charges $11 more.) This set includes a 26-oz. decanter with stopper and six 4-oz. glasses. Deal ends May 31 at 12:39 pm ET.

Adorama via eBay offers the 5.7-lb. ASUS VivoBook S500 Intel Ivy Bridge Core i5 1.7GHz 15.6" Touchscreen Ultrabook in Black, model no. S550CA-DS51T, for $569 with free shipping. That's $31 under last week's mention and the best price we've seen for an ASUS VivoBook with 6GB of RAM. (It's a current price low for this model by $111.) It features an Intel Core i5-3317U 1.7GHz Ivy Bridge dual-core processor, 15.6" 1366x768 LED-backlit multi-touch LCD, 6GB RAM, 500GB hard drive and 24GB SSD, 802.11n wireless, webcam, 4-cell battery, and Windows 8 Home Premium.

Art of Deals via eBay offers the Alpine Swiss Men's Slim Bi-Fold Leather Wallet for $9.99 with free shipping. (Click "View Full Description," then select "Slim Bi-fold Wallet" from the drop down menu). That's tied with last week's mention and the lowest total price we could find now by $3. It comes with a gift bag and is made from lambskin leather. Deal ends May 30 at 1:20 pm ET.

BuyinCoin via eBay offers this 7-LED Color-Changing Pyramid Digital Alarm Clock for $3.65 plus 97 cents for shipping. (Several other eBay 3rd-party merchants charge around the same.) That's the lowest total price we could find by $2. This alarm clock features time/date/temperature display, and more. Three AAA batteries are required (not included).

BuyDig via eBay offers the Samsung MV900 MultiView 16.3-Megapixel WiFi Digital Camera in White (pictured), model no. EC-MV900FBPWUS, or Black, model no. EC-MV900FBPBUS, for $179 with free shipping. That's the lowest total price we could find by $46. Features include a 3.3" flip-out touchscreen AMOLED display, 5x optical zoom, 1080p HD video recording, optical image stabilization, built-in wireless connectivity, face detection, USB connectivity, microSD/microSDXC card slot, and more. Deal ends May 20 at 11 am ET.

AltaTac via eBay continues to offer the 5.11 Tactical Men's Performance Training Shorts in Charcoal (pictured) or Dark Navy for $14.99 with free shipping. That's tied with our mention from last week and the lowest total price we could find by $4. These polyester mesh 10" shorts are available in sizes S M to L, although not in all size/color combinations. Deal ends May 30 at 6:00 pm ET.

Caesar Plaza via eBay offers this Solar-Powered LED Garden Stake Light 24-Pack in Stainless Steel, Copper Finish, or Dark Bronze Finish for $59.99 with free shipping. That's $2.50/light and the lowest total price we could find for a similar quantity of stainless steel lights by $11, although we saw a similar 24-pack for $5 less in February. Each light is 14.25" tall and features a stainless steel housing, one color-changing LED bulb, and rechargeable AA battery.

bgood2010 via eBay offers this Musical Star Projector Alarm Clock for $7.29 plus $1 for shipping. That's a buck under the lowest total price we could find for a comparable alarm clock elsewhere. It displays the time, date, and temperature, and requires three AAA batteries (not included).

newegg via eBay offers the factory-refurbished Sony 700-watt 7.1-Channel 3D-Ready Home Theater Receiver, model no. STR-DH520, for $159.99 with free shipping. That's $88 under the best price we could find for a new unit, although we saw a refurb for $10 less last month. Features include 100 watts per channel into seven channels, 24p True Cinema pass-through, BRAVIA Sync, Dolby Digital, Dolby TrueHD, and DTS decoding, four HDMI inputs, and more. A 1-year Sony warranty applies.

AltaTac via eBay offers the refurbished Ematic 7" eBook Reader with Kobo eReading Software in six colors (Blue pictured), model no. EB105, for $34.99 with free shipping. That's $2 under our mention of a new one from Black Friday weekend and the lowest total price we could find for a refurb. (It's also $10 under the best price we could find for a new one.) It features a 7" LCD display, 800x480 resolution, microSD slot for up to 16GB of additional memory, and more.

Of note, no warranty information is provided.

AllergyBeGone via eBay offers the Honeywell Decor 7-Day Programmable Thermostat in Titanium, model no. RTH2520, for $29.90 with free shipping.That's tied with our mention from last week as the lowest total price we could find. It allows you to program each day differently, with up to four temperature shifts per day. Deal ends May 22 at 3:10 pm ET.

Todays Concept via Amazon has it in Taupe for pennies more.