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Round|Lab Grown|IGI

1.65ct J SI2 Round Lab Grown Diamond

EX • J/SI2 • IGI LG442066311

Shape and cutting style on the report: Round brilliant

Certificate IGI LG442066311

Diamond specifications and retailer prices

From $1,176 SGD
$920 USD
As of October 30, 2026
Save $4,333 SGD (79%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $5,509 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 1.65ct lab-grown round diamond

This 1.65ct 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 LG442066311 or 442066311. Listed at 10 retailers as of October 29, 2026, with prices from $1,176 to $5,509, a $4,333 spread on the same certified stone. MOH London lists it at $5,509. 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

1.65
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.3°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG442066311
Dimensions7.65 × 7.62 × 4.57 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
7.65 mm7.62 mm1.65 ctJ / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG442066311
Side View
Table 58.0%Crown 32.3°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 59.9%

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: $5,509 SGD|Low: $1,176 SGD|High: $5,553 SGD|Avg: $2,592 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$1,470 SGD
Retailer 7$1,599 SGD
Retailer 9$1,647 SGD
Retailer 5$1,705 SGD
Retailer 11$2,435 SGD
Retailer 6$2,709 SGD
Retailer 8$3,197 SGD
Retailer 10$3,361 SGD
Retailer 3$3,814 SGD
MOH London$5,509 SGD

16 data points across 11 retailers

10 retailers$1,176 SGD to $5,509 SGD

A
Cheapest Retailer
-
$1,176 SGD
$920 USD
B+
Retailer 2
-
$1,470 SGD
$1,150 USD
View
B+
Retailer 3
-
$1,599 SGD
$1,251 USD
View
B+
Retailer 4
-
$1,647 SGD
$1,288 USD
View
Final sale: no returns
B+
Retailer 5
-
$1,705 SGD
$1,334 USD
View
Retailer 6
-
$1,705 SGD
$1,334 USD
View
Price last confirmed 19 days ago
B
Retailer 7
-
$2,709 SGD
$2,119 USD
View
B
Retailer 8
-
$3,197 SGD
$2,501 USD
View
B
Retailer 9
-
$3,361 SGD
$2,629 USD
View
Most Expensive
B
MOH London
LG442066311 · Oct 29
$5,509 SGD
£3,393 GBP
View
9 more retailers have this diamond
Prices start from $1,176 SGDSave up to $4,333 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
1.65ct Round
$1,176 SGD