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Cushion|Lab Grown|IGI

1.51ct H VS1 Cushion Lab Grown Diamond

EX • H/VS1 • IGI LG539230636

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG539230636

Diamond specifications and retailer prices

From $299 USD
As of November 1, 2026
Save $1,029 USD (77%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,328 USD at MOH London · As of November 1, 2026
View at MOH London

About this 1.51ct lab-grown cushion diamond

This 1.51ct lab-grown cushion sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG539230636 or 539230636. Listed at 12 retailers as of November 1, 2026, with prices from $299 to $1,328, a $1,029 spread on the same certified stone. MOH London lists it at $1,328. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
H
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG539230636
Dimensions6.64 × 6.29 × 4.26 mm
L/W Ratio1.06
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
6.64 mm6.29 mm1.51 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG539230636
Side View
Table 64.5%Crown 35.4°Girdle: STK-THKPavilion 36.7°Culet: NoneDepth 67.7%

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: Nov 1
Current: $1,328 USD|Low: $214 USD|High: $1,345 USD|Avg: $715 USD
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
November 2, 2026
Retailer 11$299 USD
Retailer 7$332 USD
Retailer 3$435 USD
Retailer 2$443 USD
Retailer 4$513 USD
Retailer 8$515 USD
Retailer 9$551 USD
Retailer 6$572 USD
Retailer 12$594 USD
Retailer 5$1,081 USD
Retailer 13$1,204 USD
Retailer 10$1,274 USD
MOH London$1,328 USD

39 data points across 13 retailers

12 retailers$299 USD to $1,328 USD

A
Cheapest Retailer
-
$299 USD
Final sale: no returns
Retailer 2
-
$332 USD
View
Price last confirmed 8 days ago
Retailer 3
-
$435 USD
HK$3,400 HKD
View
Price last confirmed 24 days ago
A
Retailer 4
-
$443 USD
£349 GBP
View
A
Retailer 5
-
$513 USD
View
A
Retailer 6
-
$515 USD
View
B+
Retailer 7
-
$551 USD
View
A
Retailer 8
-
$572 USD
ZAR 9,235 ZAR
View
A
Retailer 9
-
$594 USD
View
B
Retailer 10
-
$1,081 USD
View
Retailer 11
-
$1,274 USD
SGD 1,721 SGD
View
Price last confirmed 26 days ago
Most Expensive
B
MOH London
LG539230636 · Nov 1
$1,328 USD
£1,046 GBP
View
11 more retailers have this diamond
Prices start from $299 USDSave up to $1,029 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
1.51ct Cushion
$299 USD