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Cushion|Lab Grown|IGI

1.51ct K VS1 Cushion Lab Grown Diamond

ID • K/VS1 • IGI LG821673225

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG821673225

Diamond specifications and retailer prices

From $1,779 SGD
As of November 4, 2026
Save $1,868 SGD (51%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $3,647 SGD at Frank Darling · As of November 6, 2026
View at Frank Darling

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 K colour (faint-tinted) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG821673225 or 821673225. Listed at 4 retailers as of November 4, 2026, with prices from $1,779 to $3,647, a $1,868 spread on the same certified stone. Frank Darling lists it at $3,647. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
K
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38°
Pavilion angle42°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821673225
Dimensions9.15 × 5.97 × 3.79 mm
L/W Ratio1.53
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa Faint Brown
Top View
9.15 mm5.97 mm1.51 ctK / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821673225
Side View
Table 53.0%Crown 38°Girdle: MED-THKPavilion 42°Culet: LargeDepth 63.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 4
Current: $3,647 SGD|Low: $1,033 SGD|High: $4,132 SGD|Avg: $2,403 SGD
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 7$1,033 SGD
Retailer 6$1,571 SGD
Retailer 3$1,779 SGD
Retailer 2$2,006 SGD
Retailer 5$3,003 SGD
Frank Darling$3,647 SGD
Retailer 4$4,132 SGD

13 data points across 7 retailers

4 retailers$1,779 SGD to $3,647 SGD

Retailer 1
-
$1,033 SGD
Price last confirmed 63 days ago
B
Retailer 2
-
$1,779 SGD
View
B
Retailer 3
-
$2,006 SGD
View
Most Expensive
C
Frank Darling
LGO942129JA · Nov 6
$3,647 SGD
$2,845 USD
View
3 more retailers have this diamond
Prices start from $1,779 SGDSave up to $1,868 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.

B
1.51ct Cushion
$1,779 SGD