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Round|Lab Grown|IGI

3.72ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG644468792

Shape and cutting style on the report: Round brilliant

Certificate IGI LG644468792

Diamond specifications and retailer prices

From $1,697 SGD
CA$1,844 CAD
As of October 30, 2026
Save $548 SGD (24%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $2,245 SGD at The Diamond Guys · As of November 1, 2026
View at The Diamond Guys

About this 3.72ct lab-grown round diamond

This 3.72ct 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 LG644468792 or 644468792. Listed at 2 retailers as of October 30, 2026, with prices from $1,697 to $2,245, a $548 spread on the same certified stone. The Diamond Guys lists it at $2,245. 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

3.72
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG644468792
Dimensions9.99 × 9.95 × 6.08 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
9.99 mm9.95 mm3.72 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG644468792
Side View
Table 59.0%Crown 34.3°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.0%

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: $2,802 SGD|Low: $344 SGD|High: $6,481 SGD|Avg: $1,824 SGD|-4.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
The Diamond Guys
August 3, 2026
Retailer 4$932 SGD
Retailer 7$1,009 SGD
Retailer 11$1,133 SGD
Retailer 2$1,156 SGD
Retailer 10$1,336 SGD
Retailer 8$1,341 SGD
Retailer 6$1,421 SGD
Retailer 9$1,697 SGD
Retailer 3$2,205 SGD
The Diamond Guys$2,245 SGD
Retailer 1$2,802 SGD
Retailer 12$3,554 SGD
Retailer 5$6,481 SGD

60 data points across 13 retailers

2 retailers$1,697 SGD to $2,245 SGD

B+
Cheapest Retailer
-
$1,697 SGD
CA$1,844 CAD
Most Expensive
B
The Diamond Guys
1954434366 · Nov 1
$2,245 SGD
$1,756 USD
View
1 more retailer has this diamond
Prices start from $1,697 SGDSave up to $548 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+
3.72ct Round
$1,697 SGD