Radiant|Lab Grown|IGI

0.51ct D VS1 Radiant Lab Grown Diamond

GD • D/VS1 • IGI LG797674528

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG797674528

Diamond specifications and retailer prices

From $109 USD
As of October 27, 2026
Save $1,023 USD (90%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,132 USD at MOH London · As of October 26, 2026
View at MOH London

About this 0.51ct lab-grown radiant diamond

This 0.51ct lab-grown radiant sits in the half to three-quarter carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a standard cut grade and certified by IGI LG797674528 or 797674528. Listed at 18 retailers as of October 26, 2026, with prices from $109 to $1,132, a $1,023 spread on the same certified stone. MOH London lists it at $1,132. 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
D
Color
VS1
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle30.8°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797674528
Dimensions5.42 × 3.94 × 2.95 mm
L/W Ratio1.38
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.42 mm3.94 mm0.51 ctD / VS1
OriginLab Grown
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG797674528
Side View
Table 67.0%Crown 30.8°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 74.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $1,132 USD|Low: $105 USD|High: $1,143 USD|Avg: $335 USD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 9$109 USD
Retailer 12$122 USD
Retailer 11$127 USD
Retailer 10$144 USD
Retailer 7$215 USD
Retailer 2$246 USD
Retailer 4$248 USD
Retailer 6$269 USD
Retailer 8$317 USD
Retailer 5$327 USD
Retailer 3$716 USD
MOH London$1,132 USD

43 data points across 12 retailers

18 retailers$109 USD to $1,132 USD

A
Cheapest Retailer
-
$109 USD
B+
Retailer 2
-
$122 USD
View
Final sale: no returns
B+
Retailer 3
-
$127 USD
View
B+
Retailer 4
-
$144 USD
View
B+
Retailer 5
-
$154 USD
HK$1,200 HKD
View
B+
Retailer 6
-
$190 USD
View
B+
Retailer 7
-
$215 USD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$246 USD
€234 EUR
View
B+
Retailer 9
-
$248 USD
View
B+
Retailer 10
-
$269 USD
£212 GBP
View
B
Retailer 11
-
$317 USD
View
B
Retailer 12
-
$327 USD
£257 GBP
View
B
Retailer 13
-
$383 USD
SGD 517 SGD
View
B
Retailer 14
-
$416 USD
View
B
Retailer 15
-
$493 USD
View
C
Retailer 16
-
$716 USD
£564 GBP
View
C
Retailer 17
-
$904 USD
View
Most Expensive
B
MOH London
LG797674528 · Oct 26
$1,132 USD
£891 GBP
View
17 more retailers have this diamond
Prices start from $109 USDSave up to $1,023 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.

A
0.51ct Radiant
$109 USD