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Round|Lab Grown|IGI

1.63ct J SI2 Round Lab Grown Diamond

EX • J/SI2 • IGI LG436074625

Shape and cutting style on the report: Round brilliant

Certificate IGI LG436074625

Diamond specifications and retailer prices

From $1,176 SGD
$920 USD
As of October 30, 2026
Save $4,247 SGD (78%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $5,423 SGD at MOH London · As of October 27, 2026
View at MOH London

About this 1.63ct lab-grown round diamond

This 1.63ct lab-grown round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436074625 or 436074625. Listed at 10 retailers as of October 27, 2026, with prices from $1,176 to $5,423, a $4,247 spread on the same certified stone. MOH London lists it at $5,423. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.63
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.3°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436074625
Dimensions7.72 × 7.68 × 4.55 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.72 mm7.68 mm1.63 ctJ / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436074625
Side View
Table 58.5%Crown 32.3°Girdle: MediumPavilion 40.5°Culet: NoneDepth 59.1%

Caratlytics Score

How it works →
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 30
Current: $5,423 SGD|Low: $1,176 SGD|High: $5,488 SGD|Avg: $2,760 SGD|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 2$1,176 SGD
Retailer 4$1,627 SGD
Retailer 7$1,811 SGD
Retailer 6$2,410 SGD
Retailer 3$2,678 SGD
Retailer 5$3,321 SGD
Retailer 8$3,769 SGD
MOH London$5,423 SGD

11 data points across 8 retailers

10 retailers$1,176 SGD to $5,423 SGD

A
Cheapest Retailer
-
$1,176 SGD
$920 USD
B+
Retailer 2
-
$1,454 SGD
$1,137 USD
View
B+
Retailer 3
-
$1,581 SGD
$1,237 USD
View
B+
Retailer 4
-
$1,627 SGD
$1,273 USD
View
Final sale: no returns
Retailer 5
-
$1,685 SGD
$1,318 USD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
$1,685 SGD
$1,318 USD
View
B
Retailer 7
-
$2,678 SGD
$2,095 USD
View
B
Retailer 8
-
$3,159 SGD
$2,471 USD
View
B
Retailer 9
-
$3,321 SGD
$2,598 USD
View
Most Expensive
B
MOH London
LG436074625 · Oct 27
$5,423 SGD
£3,340 GBP
View
9 more retailers have this diamond
Prices start from $1,176 SGDSave up to $4,247 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 Round
$1,176 SGD