Radiant|Lab Grown|IGI

0.51ct D VS1 Radiant Lab Grown Diamond

EX • D/VS1 • IGI LG819640701

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

Certificate IGI LG819640701

Diamond specifications and retailer prices

From $109 USD
As of October 27, 2026
Save $1,026 USD (90%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,135 USD at MOH London · As of October 29, 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 top-tier cut grade and certified by IGI LG819640701 or 819640701. Listed at 18 retailers as of October 27, 2026, with prices from $109 to $1,135, a $1,026 spread on the same certified stone. MOH London lists it at $1,135. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
D
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle19.9°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG819640701
Dimensions6.09 × 3.90 × 2.57 mm
L/W Ratio1.56
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.09 mm3.90 mm0.51 ctD / VS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG819640701
Side View
Table 64.0%Crown 19.9°Girdle: Slightly ThickPavilion 36.7°Culet: NoneDepth 65.9%

Caratlytics Score

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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: $1,135 USD|Low: $105 USD|High: $1,143 USD|Avg: $330 USD|-0.6%
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 3$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 12$716 USD
MOH London$1,135 USD

43 data points across 12 retailers

18 retailers$109 USD to $1,135 USD

A
Cheapest Retailer
-
$109 USD
A
Retailer 2
-
$122 USD
View
Final sale: no returns
A
Retailer 3
-
$127 USD
View
A
Retailer 4
-
$144 USD
View
A
Retailer 5
-
$154 USD
HK$1,200 HKD
View
A
Retailer 6
-
$190 USD
View
A
Retailer 7
-
$215 USD
View
Price last confirmed 8 days ago
A
Retailer 8
-
$246 USD
€234 EUR
View
A
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
B
Retailer 16
-
$716 USD
£564 GBP
View
B
Retailer 17
-
$904 USD
View
Most Expensive
B
MOH London
LG819640701 · Oct 29
$1,135 USD
£894 GBP
View
17 more retailers have this diamond
Prices start from $109 USDSave up to $1,026 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