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Cushion|Lab Grown|IGI

0.51ct D VS1 Cushion Lab Grown Diamond

EX • D/VS1 • IGI LG742532523

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG742532523

Diamond specifications and retailer prices

From $136 USD
As of October 29, 2026
Save $809 USD (86%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,270 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG742532523 or 742532523. Listed at 18 retailers as of October 28, 2026, with a 595% 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
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle37.3°
Pavilion angle32.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG742532523
Dimensions5.40 × 4.08 × 2.57 mm
L/W Ratio1.32
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.40 mm4.08 mm0.51 ctD / VS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG742532523
Side View
Table 61.0%Crown 37.3°Girdle: STK-VTKPavilion 32.3°Culet: NoneDepth 63.0%

Caratlytics Score

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

Price History

Last verified: Oct 29
Current: $1,270 USD|Low: $136 USD|High: $1,278 USD|Avg: $366 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 4$136 USD
Retailer 11$161 USD
Retailer 10$205 USD
Retailer 7$225 USD
Retailer 6$273 USD
Retailer 8$275 USD
Retailer 12$310 USD
Retailer 2$312 USD
Retailer 5$365 USD
Retailer 9$368 USD
Retailer 3$379 USD
MOH London$1,270 USD

39 data points across 12 retailers

18 retailers$136 USD to $945 USD

A
Cheapest Retailer
-
$136 USD
Final sale: no returns
A
Retailer 2
-
$179 USD
HK$1,400 HKD
View
A
Retailer 3
-
$205 USD
View
A
Retailer 4
-
$225 USD
View
A
Retailer 5
-
$266 USD
€253 EUR
View
A
Retailer 6
-
$273 USD
ZAR 4,415 ZAR
View
A
Retailer 7
-
$275 USD
€262 EUR
View
B+
Retailer 8
-
$310 USD
View
B+
Retailer 9
-
$312 USD
£246 GBP
View
B+
Retailer 10
-
$365 USD
£288 GBP
View
B
Retailer 11
-
$368 USD
View
B+
Retailer 12
-
$379 USD
View
B+
Retailer 13
-
$421 USD
SGD 569 SGD
View
B
Retailer 14
-
$459 USD
View
B
Retailer 15
-
$543 USD
View
B
Retailer 16
-
$792 USD
£624 GBP
View
B
Retailer 17
-
$945 USD
View
Most Expensive
B
MOH London
LG742532523 · Oct 29
$1,270 USD
£1,000 GBP
View
Price under review
17 more retailers have this diamond
Prices start from $136 USDSave up to $809 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
$136 USD