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Cushion|Lab Grown|IGI

0.51ct D VS2 Cushion Lab Grown Diamond

ID • D/VS2 • IGI LG785606051

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG785606051

Diamond specifications and retailer prices

From $133 USD
As of October 29, 2026
Save $644 USD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,238 USD at MOH London · As of October 29, 2026
View at MOH London

About this 0.51ct lab-grown cushion diamond

This 0.51ct lab-grown cushion sits in the half to three-quarter carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG785606051 or 785606051. Listed at 13 retailers as of October 29, 2026, with a 484% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle42.1°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG785606051
Dimensions4.53 × 4.53 × 3.07 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
4.53 mm4.53 mm0.51 ctD / VS2
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG785606051
Side View
Table 72.0%Crown 42.1°Girdle: STK-THKPavilion 39.8°Culet: NoneDepth 67.8%

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 29
Current: $1,238 USD|Low: $107 USD|High: $1,246 USD|Avg: $414 USD|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 29, 2026
Retailer 11$133 USD
Retailer 8$245 USD
Retailer 6$269 USD
Retailer 13$286 USD
Retailer 2$302 USD
Retailer 7$356 USD
Retailer 10$368 USD
Retailer 12$376 USD
Retailer 5$400 USD
Retailer 3$444 USD
Retailer 4$531 USD
Retailer 9$777 USD
MOH London$1,238 USD

33 data points across 13 retailers

13 retailers$133 USD to $777 USD

A
Cheapest Retailer
-
$133 USD
Final sale: no returns
A
Retailer 2
-
$245 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$269 USD
€256 EUR
View
B+
Retailer 4
-
$286 USD
View
B+
Retailer 5
-
$302 USD
£238 GBP
View
B+
Retailer 6
-
$356 USD
£280 GBP
View
B
Retailer 7
-
$368 USD
View
B+
Retailer 8
-
$376 USD
View
B+
Retailer 9
-
$400 USD
View
B
Retailer 10
-
$444 USD
View
B
Retailer 11
-
$531 USD
View
Price last confirmed 11 days ago
B
Retailer 12
-
$777 USD
£612 GBP
View
Most Expensive
B
MOH London
LG785606051 · Oct 29
$1,238 USD
£975 GBP
View
Price under review
12 more retailers have this diamond
Prices start from $133 USDSave up to $644 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 Cushion
$133 USD