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Cushion|Lab Grown|IGI

1.63ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG837665442

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG837665442

Diamond specifications and retailer prices

From $421 SGD
$329 USD
As of November 1, 2026
Save $2,149 SGD (84%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,570 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.63ct lab-grown cushion diamond

This 1.63ct lab-grown cushion sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG837665442 or 837665442. Listed at 13 retailers as of October 31, 2026, with prices from $421 to $2,570, a $2,149 spread on the same certified stone. Brilliant Earth lists it at $2,570. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.63
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.7°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837665442
Dimensions9.09 × 6.03 × 3.76 mm
L/W Ratio1.51
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.09 mm6.03 mm1.63 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837665442
Side View
Table 55.0%Crown 30.7°Girdle: MED-STKPavilion 38.6°Culet: LargeDepth 62.4%

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: $825 SGD|Low: $421 SGD|High: $1,971 SGD|Avg: $1,162 SGD|-4.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 11$421 SGD
Retailer 12$637 SGD
Retailer 4$665 SGD
Retailer 8$776 SGD
Retailer 5$803 SGD
Retailer 1$825 SGD
Retailer 3$1,140 SGD
Retailer 2$1,307 SGD
Retailer 10$1,559 SGD
Retailer 9$1,791 SGD
Retailer 6$1,865 SGD
Retailer 7$1,908 SGD

18 data points across 12 retailers

13 retailers$421 SGD to $2,570 SGD

A
Cheapest Retailer
-
$421 SGD
$329 USD
Final sale: no returns
A
Retailer 2
-
$637 SGD
$498 USD
View
A
Retailer 3
-
$665 SGD
$520 USD
View
A
Retailer 4
-
$776 SGD
$607 USD
View
A
Retailer 5
-
$803 SGD
ZAR 10,147 ZAR
View
A
Retailer 6
-
$825 SGD
£508 GBP
View
B+
Retailer 7
-
$1,140 SGD
A$1,372 AUD
View
B+
Retailer 8
-
$1,307 SGD
A$1,573 AUD
View
B
Retailer 9
-
$1,559 SGD
$1,219 USD
View
B
Retailer 10
-
$1,791 SGD
$1,401 USD
View
B
Retailer 11
-
$1,865 SGD
£1,149 GBP
View
B
Retailer 12
-
$1,908 SGD
$1,493 USD
View
Most Expensive
B
Brilliant Earth
22411290A · Oct 31
$2,570 SGD
$2,010 USD
View
12 more retailers have this diamond
Prices start from $421 SGDSave up to $2,149 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
1.63ct Cushion
$421 SGD