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Cushion|Lab Grown|IGI

1.65ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG811660159

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG811660159

Diamond specifications and retailer prices

From $554 SGD
€413 EUR
As of October 31, 2026
Save $816 SGD (60%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,370 SGD at With Clarity · As of October 30, 2026
View at With Clarity

About this 1.65ct lab-grown cushion diamond

This 1.65ct 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 LG811660159 or 811660159. Listed at 8 retailers as of October 30, 2026, with prices from $554 to $1,370, a $816 spread on the same certified stone. With Clarity lists it at $1,370. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.65
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811660159
Dimensions8.37 × 6.03 × 4.11 mm
L/W Ratio1.39
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.37 mm6.03 mm1.65 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811660159
Side View
Table 63.0%Crown 36°Girdle: MED-STKPavilion 37.6°Culet: NoneDepth 68.2%

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 31
Current: $554 SGD|Low: $368 SGD|High: $1,473 SGD|Avg: $1,027 SGD|-4.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
With Clarity
October 31, 2026
Retailer 4$368 SGD
Retailer 1$554 SGD
Retailer 6$758 SGD
Retailer 2$768 SGD
Retailer 5$1,229 SGD
Retailer 3$1,320 SGD
Retailer 7$1,368 SGD
With Clarity$1,370 SGD

24 data points across 8 retailers

8 retailers$554 SGD to $1,370 SGD

Retailer 1
-
$368 SGD
£227 GBP
Price last confirmed 14 days ago
A
Retailer 2
-
$554 SGD
€413 EUR
View
A
Retailer 3
-
$758 SGD
$593 USD
View
A
Retailer 4
-
$768 SGD
A$924 AUD
View
B+
Retailer 5
-
$1,229 SGD
$961 USD
View
B+
Retailer 6
-
$1,320 SGD
£813 GBP
View
Retailer 7
-
$1,368 SGD
View
Price last confirmed 18 days ago
Most Expensive
B+
With Clarity
811660159 · Oct 30
$1,370 SGD
$1,072 USD
View
7 more retailers have this diamond
Prices start from $554 SGDSave up to $816 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
1.65ct Cushion
$554 SGD