Round|Lab Grown|IGI

0.51ct F VS2 Round Lab Grown Diamond

VG • F/VS2 • IGI LG841691548

Shape and cutting style on the report: Round brilliant

Certificate IGI LG841691548

Diamond specifications and retailer prices

From $135 USD
As of October 28, 2026
Save $183 USD (58%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $318 USD at The Diamond Guys · As of October 28, 2026
View at The Diamond Guys

About this 0.51ct lab-grown round diamond

This 0.51ct lab-grown round sits in the half to three-quarter carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG841691548 or 841691548. Listed at 5 retailers as of October 28, 2026, with prices from $135 to $318, a $183 spread on the same certified stone. The Diamond Guys lists it at $318. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
F
Color
VS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishGood
SymmetryVery Good
FluorescenceNone
Crown angle35.6°
Pavilion angle41.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841691548
Dimensions5.03 × 5.07 × 3.16 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.03 mm5.07 mm0.51 ctF / VS2
OriginLab Grown
CutVery Good
PolishGood
SymmetryVery Good
FluorescenceNone
CertificateIGI LG841691548
Side View
Table 63.0%Crown 35.6°Girdle: STK-THKPavilion 41.7°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $298 USD|Low: $139 USD|High: $318 USD|Avg: $226 USD
Retailer 1
Retailer 2
Retailer 3
The Diamond Guys
October 29, 2026
Retailer 3$139 USD
Retailer 2$199 USD
Retailer 1$298 USD
The Diamond Guys$318 USD

3 data points across 4 retailers

5 retailers$135 USD to $318 USD

B+
Cheapest Retailer
-
$135 USD
B+
Retailer 2
-
$139 USD
View
B+
Retailer 3
-
$199 USD
£157 GBP
View
B
Retailer 4
-
$298 USD
View
Most Expensive
B
The Diamond Guys
1996408121 · Oct 28
$318 USD
View
4 more retailers have this diamond
Prices start from $135 USDSave up to $183 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
0.51ct Round
$135 USD