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Cushion|Lab Grown|IGI

1.51ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG837661802

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG837661802

Diamond specifications and retailer prices

From $458 SGD
£282 GBP
As of October 28, 2026
Save $1,305 SGD (74%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,749 SGD at Brilliant Earth · As of October 16, 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 D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG837661802 or 837661802. Listed at 19 retailers as of October 28, 2026, with a 285% 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

1.51
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.2°
Pavilion angle30.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837661802
Dimensions7.95 × 5.60 × 3.89 mm
L/W Ratio1.42
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.95 mm5.60 mm1.51 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837661802
Side View
Table 65.0%Crown 38.2°Girdle: MED-THKPavilion 30.4°Culet: NoneDepth 69.5%

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 28
Current: $2,749 SGD|Low: $368 SGD|High: $2,749 SGD|Avg: $1,046 SGD
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
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Retailer 11
Retailer 12
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Retailer 20
October 31, 2026
Retailer 10$368 SGD
Retailer 5$458 SGD
Retailer 14$458 SGD
Retailer 4$552 SGD
Retailer 15$556 SGD
Retailer 2$675 SGD
Retailer 20$679 SGD
Retailer 13$703 SGD
Retailer 6$745 SGD
Retailer 16$777 SGD
Retailer 19$961 SGD
Retailer 3$1,033 SGD
Retailer 12$1,241 SGD
Retailer 8$1,316 SGD
Retailer 11$1,323 SGD
Retailer 9$1,382 SGD
Retailer 18$1,496 SGD
Retailer 17$1,643 SGD
Retailer 7$1,764 SGD
Brilliant Earth$2,749 SGD

26 data points across 20 retailers

19 retailers$458 SGD to $1,764 SGD

Retailer 1
-
$458 SGD
HK$2,800 HKD
Price last confirmed 16 days ago
A
Retailer 2
-
$458 SGD
£282 GBP
View
B+
Retailer 3
-
$552 SGD
$432 USD
View
A
Retailer 4
-
$556 SGD
$435 USD
View
A
Retailer 5
-
$675 SGD
€503 EUR
View
A
Retailer 6
-
$679 SGD
$531 USD
View
A
Retailer 7
-
$703 SGD
ZAR 8,889 ZAR
View
A
Retailer 8
-
$745 SGD
$583 USD
View
A
Retailer 9
-
$777 SGD
£479 GBP
View
B+
Retailer 10
-
$961 SGD
A$1,157 AUD
View
B+
Retailer 11
-
$1,033 SGD
$808 USD
View
B+
Retailer 12
-
$1,267 SGD
$991 USD
View
B
Retailer 13
-
$1,316 SGD
A$1,584 AUD
View
B
Retailer 14
-
$1,323 SGD
View
B
Retailer 15
-
$1,382 SGD
$1,081 USD
View
B
Retailer 16
-
$1,496 SGD
$1,170 USD
View
B
Retailer 17
-
$1,643 SGD
£1,012 GBP
View
B
Retailer 18
-
$1,764 SGD
$1,379 USD
View
Most Expensive
Brilliant Earth
21586794A · Oct 16
$2,749 SGD
$2,150 USD
View
Price last confirmed 15 days ago
18 more retailers have this diamond
Prices start from $458 SGDSave up to $1,305 SGD

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
$458 SGD