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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 $289 CAD
$207 USD
As of November 1, 2026
Save $1,150 CAD (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,439 CAD 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 $289 to $1,439, a $1,150 spread on the same certified stone. MOH London lists it at $1,439. 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
Color
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

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: Nov 1
Current: $1,439 CAD|Low: $278 CAD|High: $1,457 CAD|Avg: $684 CAD|-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$289 CAD
Retailer 5$324 CAD
Retailer 3$335 CAD
Retailer 11$359 CAD
Retailer 12$489 CAD
Retailer 7$603 CAD
Retailer 2$639 CAD
Retailer 6$660 CAD
Retailer 13$724 CAD
Retailer 4$1,154 CAD
Retailer 8$1,158 CAD
Retailer 9$1,169 CAD
MOH London$1,439 CAD

44 data points across 13 retailers

17 retailers$289 CAD to $1,439 CAD

A
Cheapest Retailer
-
$289 CAD
$207 USD
A
Retailer 2
-
$324 CAD
$232 USD
View
Final sale: no returns
A
Retailer 3
-
$335 CAD
$240 USD
View
Retailer 4
-
$359 CAD
$257 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$359 CAD
$257 USD
View
A
Retailer 6
-
$411 CAD
HK$2,300 HKD
View
B+
Retailer 7
-
$489 CAD
$350 USD
View
A
Retailer 8
-
$603 CAD
€411 EUR
View
A
Retailer 9
-
$639 CAD
£360 GBP
View
A
Retailer 10
-
$660 CAD
£372 GBP
View
A
Retailer 11
-
$724 CAD
$518 USD
View
B+
Retailer 12
-
$740 CAD
$530 USD
View
Retailer 13
-
$1,076 CAD
$770 USD
View
Price last confirmed 53 days ago
B
Retailer 14
-
$1,154 CAD
$826 USD
View
B
Retailer 15
-
$1,158 CAD
$829 USD
View
B
Retailer 16
-
$1,169 CAD
SGD 1,131 SGD
View
Most Expensive
B
MOH London
LG602381243 · Nov 1
$1,439 CAD
£811 GBP
View
16 more retailers have this diamond
Prices start from $289 CADSave up to $1,150 CAD

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
$289 CAD