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Round|Lab Grown|IGI

3.65ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG623496987

Shape and cutting style on the report: Round brilliant

Certificate IGI LG623496987

Diamond specifications and retailer prices

From $906 AUD
$635 USD
As of November 1, 2026
Save $3,521 AUD (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,427 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 3.65ct lab-grown round diamond

This 3.65ct lab-grown round sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG623496987 or 623496987. Listed at 15 retailers as of November 1, 2026, with prices from $906 to $4,427, a $3,521 spread on the same certified stone. MOH London lists it at $4,427. 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

3.65
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG623496987
Dimensions9.95 × 9.89 × 5.98 mm
L/W Ratio1.01
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
9.95 mm9.89 mm3.65 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG623496987
Side View
Table 60.0%Crown 33.9°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 60.3%

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: $4,427 AUD|Low: $870 AUD|High: $4,480 AUD|Avg: $1,931 AUD
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
Retailer 14
Retailer 15
November 2, 2026
Retailer 11$906 AUD
Retailer 9$986 AUD
Retailer 6$1,015 AUD
Retailer 15$1,050 AUD
Retailer 3$1,052 AUD
Retailer 8$1,306 AUD
Retailer 7$1,630 AUD
Retailer 2$1,659 AUD
Retailer 5$1,718 AUD
Retailer 14$1,760 AUD
Retailer 10$2,684 AUD
Retailer 13$2,754 AUD
Retailer 12$2,955 AUD
Retailer 4$3,567 AUD
MOH London$4,427 AUD

43 data points across 15 retailers

15 retailers$906 AUD to $4,427 AUD

A
Cheapest Retailer
-
$906 AUD
$635 USD
A
Retailer 2
-
$986 AUD
$691 USD
View
A
Retailer 3
-
$1,015 AUD
$711 USD
View
Final sale: no returns
A
Retailer 4
-
$1,050 AUD
$736 USD
View
Retailer 5
-
$1,052 AUD
$737 USD
View
Price last confirmed 17 days ago
A
Retailer 6
-
$1,306 AUD
$915 USD
View
A
Retailer 7
-
$1,630 AUD
$1,142 USD
View
A
Retailer 8
-
$1,659 AUD
£915 GBP
View
B+
Retailer 9
-
$1,718 AUD
$1,204 USD
View
B
Retailer 10
-
$2,684 AUD
$1,881 USD
View
B
Retailer 11
-
$2,754 AUD
$1,930 USD
View
B
Retailer 12
-
$2,955 AUD
$2,071 USD
View
B
Retailer 13
-
$3,567 AUD
$2,500 USD
View
B
Retailer 14
-
$3,664 AUD
$2,568 USD
View
Most Expensive
B
MOH London
LG623496987 · Nov 1
$4,427 AUD
£2,443 GBP
View
14 more retailers have this diamond
Prices start from $906 AUDSave up to $3,521 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
3.65ct Round
$906 AUD