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Cushion|Lab Grown|IGI

1.63ct E VS1 Cushion Lab Grown Diamond

EX • E/VS1 • IGI LG634481308

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG634481308

Diamond specifications and retailer prices

From $364 SGD
$284 USD
As of October 28, 2026
Save $1,386 SGD (79%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,640 SGD at Brilliant Earth · As of October 22, 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 E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG634481308 or 634481308. Listed at 18 retailers as of October 28, 2026, with a 381% 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

1.63
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG634481308
Dimensions6.85 × 6.85 × 4.47 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.85 mm6.85 mm1.63 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG634481308
Side View
Table 64.0%Crown 35.1°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 65.3%

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: $2,640 SGD|Low: $364 SGD|High: $2,640 SGD|Avg: $831 SGD
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
October 29, 2026
Retailer 6$364 SGD
Retailer 4$404 SGD
Retailer 10$474 SGD
Retailer 3$545 SGD
Retailer 12$545 SGD
Retailer 11$693 SGD
Retailer 8$731 SGD
Retailer 5$747 SGD
Retailer 7$757 SGD
Retailer 2$767 SGD
Retailer 13$941 SGD
Retailer 15$992 SGD
Retailer 14$1,403 SGD
Retailer 9$1,626 SGD
Brilliant Earth$2,640 SGD

41 data points across 15 retailers

18 retailers$364 SGD to $1,750 SGD

A
Cheapest Retailer
-
$364 SGD
$284 USD
Final sale: no returns
A
Retailer 2
-
$404 SGD
$315 USD
View
A
Retailer 3
-
$474 SGD
£291 GBP
View
A
Retailer 4
-
$545 SGD
$425 USD
View
B+
Retailer 5
-
$545 SGD
$425 USD
View
A
Retailer 6
-
$693 SGD
ZAR 8,738 ZAR
View
A
Retailer 7
-
$731 SGD
€543 EUR
View
A
Retailer 8
-
$747 SGD
$583 USD
View
A
Retailer 9
-
$757 SGD
$591 USD
View
A
Retailer 10
-
$767 SGD
£471 GBP
View
Retailer 11
-
$936 SGD
A$1,124 AUD
View
Price last confirmed 32 days ago
B+
Retailer 12
-
$941 SGD
A$1,129 AUD
View
B+
Retailer 13
-
$992 SGD
$774 USD
View
B
Retailer 14
-
$1,363 SGD
$1,064 USD
View
Retailer 15
-
$1,403 SGD
$1,095 USD
View
Price last confirmed 11 days ago
B
Retailer 16
-
$1,626 SGD
£999 GBP
View
B
Retailer 17
-
$1,750 SGD
$1,366 USD
View
Most Expensive
Brilliant Earth
21312401A · Oct 22
$2,640 SGD
$2,060 USD
View
Price last confirmed 7 days ago
17 more retailers have this diamond
Prices start from $364 SGDSave up to $1,386 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
$364 SGD