CaratHunter
Plans
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 $812 SGD
$635 USD
As of November 1, 2026
Save $3,155 SGD (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $3,966 SGD 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 16 retailers as of November 1, 2026, with prices from $812 to $3,966, a $3,155 spread on the same certified stone. MOH London lists it at $3,966. 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

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $3,966 SGD|Low: $780 SGD|High: $4,013 SGD|Avg: $1,725 SGD
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 1, 2026
Retailer 11$812 SGD
Retailer 9$883 SGD
Retailer 6$909 SGD
Retailer 15$941 SGD
Retailer 3$942 SGD
Retailer 8$1,170 SGD
Retailer 7$1,460 SGD
Retailer 2$1,498 SGD
Retailer 5$1,539 SGD
Retailer 14$1,577 SGD
Retailer 10$2,405 SGD
Retailer 13$2,467 SGD
Retailer 12$2,648 SGD
Retailer 4$3,196 SGD
MOH London$3,966 SGD

43 data points across 15 retailers

16 retailers$812 SGD to $3,966 SGD

A
Cheapest Retailer
-
$812 SGD
$635 USD
A
Retailer 2
-
$883 SGD
$691 USD
View
A
Retailer 3
-
$909 SGD
$711 USD
View
Final sale: no returns
A
Retailer 4
-
$941 SGD
$736 USD
View
Retailer 5
-
$942 SGD
$737 USD
View
Price last confirmed 17 days ago
A
Retailer 6
-
$1,170 SGD
$915 USD
View
A
Retailer 7
-
$1,460 SGD
$1,142 USD
View
A
Retailer 8
-
$1,498 SGD
£923 GBP
View
B+
Retailer 9
-
$1,539 SGD
$1,204 USD
View
Retailer 10
-
$1,577 SGD
£971 GBP
View
Price last confirmed 16 days ago
B
Retailer 11
-
$2,405 SGD
$1,881 USD
View
B
Retailer 12
-
$2,467 SGD
$1,930 USD
View
B
Retailer 13
-
$2,648 SGD
$2,071 USD
View
B
Retailer 14
-
$3,196 SGD
$2,500 USD
View
B
Retailer 15
-
$3,283 SGD
$2,568 USD
View
Most Expensive
B
MOH London
LG623496987 · Nov 1
$3,966 SGD
£2,443 GBP
View
15 more retailers have this diamond
Prices start from $812 SGDSave up to $3,155 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
3.65ct Round
$812 SGD