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Cushion|Lab Grown|IGI

1.71ct D VS1 Cushion Lab Grown Diamond

EX • D/VS1 • IGI LG665439079

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG665439079

Diamond specifications and retailer prices

From $413 SGD
$323 USD
As of November 1, 2026
Save $2,476 SGD (86%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,889 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.71ct lab-grown cushion diamond

This 1.71ct 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 LG665439079 or 665439079. Listed at 17 retailers as of October 31, 2026, with prices from $413 to $2,889, a $2,476 spread on the same certified stone. Brilliant Earth lists it at $2,889. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665439079
Dimensions6.86 × 6.79 × 4.66 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.86 mm6.79 mm1.71 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665439079
Side View
Table 61.0%Crown 36.4°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 68.6%

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: Nov 1
Current: $2,889 SGD|Low: $349 SGD|High: $3,043 SGD|Avg: $1,144 SGD|-5.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 2, 2026
Retailer 7$413 SGD
Retailer 16$459 SGD
Retailer 15$513 SGD
Retailer 17$626 SGD
Retailer 12$683 SGD
Retailer 8$752 SGD
Retailer 10$791 SGD
Retailer 2$811 SGD
Retailer 5$848 SGD
Retailer 3$897 SGD
Retailer 13$1,066 SGD
Retailer 6$1,536 SGD
Retailer 14$1,726 SGD
Retailer 4$1,763 SGD
Retailer 11$1,838 SGD
Retailer 9$1,890 SGD
Brilliant Earth$2,889 SGD

40 data points across 17 retailers

17 retailers$413 SGD to $2,889 SGD

A
Cheapest Retailer
-
$413 SGD
$323 USD
Final sale: no returns
Retailer 2
-
$459 SGD
$359 USD
View
Price last confirmed 7 days ago
Retailer 3
-
$513 SGD
£316 GBP
View
Price last confirmed 16 days ago
A
Retailer 4
-
$626 SGD
$490 USD
View
A
Retailer 5
-
$683 SGD
€509 EUR
View
A
Retailer 6
-
$752 SGD
$588 USD
View
A
Retailer 7
-
$791 SGD
ZAR 9,991 ZAR
View
A
Retailer 8
-
$811 SGD
£500 GBP
View
A
Retailer 9
-
$848 SGD
$663 USD
View
B+
Retailer 10
-
$897 SGD
$702 USD
View
B+
Retailer 11
-
$1,066 SGD
A$1,283 AUD
View
B
Retailer 12
-
$1,536 SGD
$1,202 USD
View
Retailer 13
-
$1,726 SGD
$1,350 USD
View
Price last confirmed 11 days ago
B
Retailer 14
-
$1,763 SGD
$1,379 USD
View
B
Retailer 15
-
$1,838 SGD
£1,132 GBP
View
B
Retailer 16
-
$1,890 SGD
$1,478 USD
View
Most Expensive
B
Brilliant Earth
12312888A · Oct 31
$2,889 SGD
$2,260 USD
View
16 more retailers have this diamond
Prices start from $413 SGDSave up to $2,476 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
1.71ct Cushion
$413 SGD