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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 $295 AUD
$207 USD
As of November 1, 2026
Save $1,172 AUD (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,466 AUD 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 $295 to $1,466, a $1,172 spread on the same certified stone. MOH London lists it at $1,466. 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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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $1,466 AUD|Low: $283 AUD|High: $1,484 AUD|Avg: $697 AUD|-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$295 AUD
Retailer 5$330 AUD
Retailer 3$342 AUD
Retailer 11$366 AUD
Retailer 12$498 AUD
Retailer 7$614 AUD
Retailer 2$652 AUD
Retailer 6$673 AUD
Retailer 13$737 AUD
Retailer 4$1,176 AUD
Retailer 8$1,180 AUD
Retailer 9$1,191 AUD
MOH London$1,466 AUD

44 data points across 13 retailers

17 retailers$295 AUD to $1,466 AUD

A
Cheapest Retailer
-
$295 AUD
$207 USD
A
Retailer 2
-
$330 AUD
$232 USD
View
Final sale: no returns
A
Retailer 3
-
$342 AUD
$240 USD
View
Retailer 4
-
$366 AUD
$257 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$366 AUD
$257 USD
View
A
Retailer 6
-
$419 AUD
HK$2,300 HKD
View
B+
Retailer 7
-
$498 AUD
$350 USD
View
A
Retailer 8
-
$614 AUD
€411 EUR
View
A
Retailer 9
-
$652 AUD
£360 GBP
View
A
Retailer 10
-
$673 AUD
£372 GBP
View
A
Retailer 11
-
$737 AUD
$518 USD
View
B+
Retailer 12
-
$755 AUD
$530 USD
View
Retailer 13
-
$1,096 AUD
$770 USD
View
Price last confirmed 53 days ago
B
Retailer 14
-
$1,176 AUD
$826 USD
View
B
Retailer 15
-
$1,180 AUD
$829 USD
View
B
Retailer 16
-
$1,191 AUD
SGD 1,131 SGD
View
Most Expensive
B
MOH London
LG602381243 · Nov 1
$1,466 AUD
£811 GBP
View
16 more retailers have this diamond
Prices start from $295 AUDSave up to $1,172 AUD

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
$295 AUD