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3.64ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG635425156

Shape and cutting style on the report: Round brilliant

Certificate IGI LG635425156

Diamond specifications and retailer prices

From $1,661 SGD
CA$1,805 CAD
As of October 30, 2026
Save $535 SGD (24%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $2,196 SGD at The Diamond Guys · As of November 1, 2026
View at The Diamond Guys

About this 3.64ct lab-grown round diamond

This 3.64ct lab-grown round sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG635425156 or 635425156. Listed at 2 retailers as of October 30, 2026, with prices from $1,661 to $2,196, a $535 spread on the same certified stone. The Diamond Guys lists it at $2,196. 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

3.64
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG635425156
Dimensions10.01 × 9.97 × 6.00 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.01 mm9.97 mm3.64 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG635425156
Side View
Table 59.0%Crown 34.1°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.0%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 30
Current: $2,729 SGD|Low: $336 SGD|High: $4,078 SGD|Avg: $1,595 SGD|-4.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
The Diamond Guys
August 3, 2026
Retailer 3$915 SGD
Retailer 5$976 SGD
Retailer 9$1,115 SGD
Retailer 11$1,131 SGD
Retailer 6$1,286 SGD
Retailer 8$1,367 SGD
Retailer 4$1,388 SGD
Retailer 7$1,661 SGD
Retailer 2$2,160 SGD
The Diamond Guys$2,196 SGD
Retailer 1$2,729 SGD
Retailer 10$3,490 SGD

59 data points across 12 retailers

2 retailers$1,661 SGD to $2,196 SGD

B+
Cheapest Retailer
-
$1,661 SGD
CA$1,805 CAD
Most Expensive
B
The Diamond Guys
1954434386 · Nov 1
$2,196 SGD
$1,718 USD
View
1 more retailer has this diamond
Prices start from $1,661 SGDSave up to $535 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.

B+
3.64ct Round
$1,661 SGD