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Round|Lab Grown|IGI

1.65ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG602381243

Shape and cutting style on the report: Round brilliant

Certificate IGI LG602381243

Diamond specifications and retailer prices

From $265 SGD
$207 USD
As of November 1, 2026
Save $1,052 SGD (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,317 SGD at MOH London · As of November 1, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG602381243 or 602381243. Listed at 17 retailers as of November 1, 2026, with prices from $265 to $1,317, a $1,052 spread on the same certified stone. MOH London lists it at $1,317. 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
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG602381243
Dimensions7.63 × 7.60 × 4.61 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.63 mm7.60 mm1.65 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG602381243
Side View
Table 59.0%Crown 35.4°Girdle: MediumPavilion 40.6°Culet: NoneDepth 60.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $1,317 SGD|Low: $254 SGD|High: $1,333 SGD|Avg: $626 SGD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 10$265 SGD
Retailer 5$297 SGD
Retailer 3$307 SGD
Retailer 11$329 SGD
Retailer 12$447 SGD
Retailer 7$552 SGD
Retailer 2$585 SGD
Retailer 6$604 SGD
Retailer 13$662 SGD
Retailer 4$1,056 SGD
Retailer 8$1,060 SGD
Retailer 9$1,070 SGD
MOH London$1,317 SGD

44 data points across 13 retailers

17 retailers$265 SGD to $1,317 SGD

A
Cheapest Retailer
-
$265 SGD
$207 USD
A
Retailer 2
-
$297 SGD
$232 USD
View
Final sale: no returns
A
Retailer 3
-
$307 SGD
$240 USD
View
Retailer 4
-
$329 SGD
$257 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$329 SGD
$257 USD
View
A
Retailer 6
-
$376 SGD
HK$2,300 HKD
View
B+
Retailer 7
-
$447 SGD
$350 USD
View
A
Retailer 8
-
$552 SGD
€411 EUR
View
A
Retailer 9
-
$585 SGD
£360 GBP
View
A
Retailer 10
-
$604 SGD
£372 GBP
View
A
Retailer 11
-
$662 SGD
$518 USD
View
B+
Retailer 12
-
$678 SGD
$530 USD
View
Retailer 13
-
$984 SGD
$770 USD
View
Price last confirmed 53 days ago
B
Retailer 14
-
$1,056 SGD
$826 USD
View
B
Retailer 15
-
$1,060 SGD
$829 USD
View
B
Retailer 16
-
$1,070 SGD
View
Most Expensive
B
MOH London
LG602381243 · Nov 1
$1,317 SGD
£811 GBP
View
16 more retailers have this diamond
Prices start from $265 SGDSave up to $1,052 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
$265 SGD