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Round|Lab Grown|IGI

1.63ct J SI2 Round Lab Grown Diamond

EX • J/SI2 • IGI LG425065582

Shape and cutting style on the report: Round brilliant

Certificate IGI LG425065582

Diamond specifications and retailer prices

From $1,176 SGD
$920 USD
As of October 30, 2026
Save $4,268 SGD (78%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $5,444 SGD at MOH London · As of October 29, 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 LG425065582 or 425065582. Listed at 10 retailers as of October 29, 2026, with prices from $1,176 to $5,444, a $4,268 spread on the same certified stone. MOH London lists it at $5,444. 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 angle32.2°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG425065582
Dimensions7.58 × 7.57 × 4.59 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.58 mm7.57 mm1.63 ctJ / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG425065582
Side View
Table 56.5%Crown 32.2°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $5,444 SGD|Low: $1,176 SGD|High: $5,488 SGD|Avg: $2,545 SGD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 2$1,176 SGD
Retailer 4$1,454 SGD
Retailer 7$1,581 SGD
Retailer 9$1,627 SGD
Retailer 5$1,685 SGD
Retailer 11$2,410 SGD
Retailer 6$2,678 SGD
Retailer 8$3,159 SGD
Retailer 10$3,321 SGD
Retailer 3$3,769 SGD
MOH London$5,444 SGD

16 data points across 11 retailers

10 retailers$1,176 SGD to $5,444 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
LG425065582 · Oct 29
$5,444 SGD
£3,353 GBP
View
9 more retailers have this diamond
Prices start from $1,176 SGDSave up to $4,268 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