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Cushion|Lab Grown|IGI

1.51ct H VS1 Cushion Lab Grown Diamond

ID • H/VS1 • IGI LG546217665

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG546217665

Diamond specifications and retailer prices

From $332 USD
As of November 4, 2026
Save $708 USD (68%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,040 USD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

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 LG546217665 or 546217665. Listed at 3 retailers as of November 4, 2026, with prices from $332 to $1,040, a $708 spread on the same certified stone. Brilliant Earth lists it at $1,040. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.9°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG546217665
Dimensions7.49 × 6.25 × 4.22 mm
L/W Ratio1.20
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.49 mm6.25 mm1.51 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG546217665
Side View
Table 62.5%Crown 36.9°Girdle: THN-STKPavilion 38.5°Culet: NoneDepth 67.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: $1,040 USD|Low: $315 USD|High: $1,140 USD|Avg: $665 USD|-8.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 3$332 USD
Retailer 2$411 USD
Retailer 5$576 USD
Retailer 6$633 USD
Retailer 7$801 USD
Retailer 4$838 USD
Brilliant Earth$1,040 USD

13 data points across 7 retailers

3 retailers$332 USD to $1,040 USD

B+
Cheapest Retailer
-
$332 USD
A
Retailer 2
-
$411 USD
View
Most Expensive
B+
Brilliant Earth
20456958A · Nov 4
$1,040 USD
View
2 more retailers have this diamond
Prices start from $332 USDSave up to $708 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
$332 USD