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Round|Lab Grown|IGI

1.60ct J SI2 Round Lab Grown Diamond

ID • J/SI2 • IGI LG425065406

Shape and cutting style on the report: Round brilliant

Certificate IGI LG425065406

Diamond specifications and retailer prices

From $1,151 SGD
$900 USD
As of October 30, 2026
Save $4,196 SGD (78%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $5,346 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 1.6ct lab-grown round diamond

This 1.6ct 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 LG425065406 or 425065406. Listed at 10 retailers as of October 29, 2026, with prices from $1,151 to $5,346, a $4,196 spread on the same certified stone. MOH London lists it at $5,346. 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

1.60
Carat
J
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG425065406
Dimensions7.50 × 7.44 × 4.61 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.50 mm7.44 mm1.60 ctJ / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG425065406
Side View
Table 57.0%Crown 34.8°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 61.7%

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: $5,346 SGD|Low: $1,151 SGD|High: $5,389 SGD|Avg: $2,543 SGD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 2$1,151 SGD
Retailer 3$1,427 SGD
Retailer 6$1,597 SGD
Retailer 4$1,656 SGD
Retailer 7$1,656 SGD
Retailer 9$2,371 SGD
Retailer 5$2,632 SGD
Retailer 8$3,357 SGD
Retailer 10$3,702 SGD
MOH London$5,346 SGD

15 data points across 10 retailers

10 retailers$1,151 SGD to $5,346 SGD

A
Cheapest Retailer
-
$1,151 SGD
$900 USD
B+
Retailer 2
-
$1,427 SGD
$1,116 USD
View
B+
Retailer 3
-
$1,552 SGD
$1,214 USD
View
B+
Retailer 4
-
$1,597 SGD
$1,249 USD
View
Final sale: no returns
Retailer 5
-
$1,656 SGD
$1,295 USD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
$1,656 SGD
$1,295 USD
View
B
Retailer 7
-
$2,632 SGD
$2,059 USD
View
B
Retailer 8
-
$3,103 SGD
$2,427 USD
View
B
Retailer 9
-
$3,357 SGD
$2,626 USD
View
Most Expensive
B
MOH London
LG425065406 · Oct 29
$5,346 SGD
£3,293 GBP
View
9 more retailers have this diamond
Prices start from $1,151 SGDSave up to $4,196 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
1.60ct Round
$1,151 SGD