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Round|Lab Grown|IGI

1.65ct F SI2 Round Lab Grown Diamond

ID • F/SI2 • IGI LG660459210

Certificate IGI LG660459210

Diamond specifications and retailer prices

From $1,636 SGD
$1,280 USD
As of October 30, 2026
Save $1,048 SGD (39%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $2,685 SGD at Jared · As of October 30, 2026
View at Jared

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 F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG660459210 or 660459210. Listed at 3 retailers as of October 30, 2026, with prices from $1,636 to $2,685, a $1,048 spread on the same certified stone. Jared lists it at $2,685. 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
F
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG660459210
Dimensions7.53 × 7.57 mm
L/W Ratio1.01
Top View
7.53 mm7.57 mm1.65 ctF / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG660459210
Side View
Table 57.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 61.7%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 30
Current: $2,685 SGD|Low: $1,611 SGD|High: $2,685 SGD|Avg: $2,023 SGD
Jared
Retailer 2
Retailer 3
July 10, 2026
Retailer 2$1,636 SGD
Retailer 3$1,636 SGD
Jared$2,685 SGD

9 data points across 3 retailers

3 retailers$1,636 SGD to $2,685 SGD

B
Cheapest Retailer
-
$1,636 SGD
$1,280 USD
B
Retailer 2
-
$1,636 SGD
$1,280 USD
View
Most Expensive
B
Jared
154541431 · Oct 30
$2,685 SGD
$2,100 USD
View
2 more retailers have this diamond
Prices start from $1,636 SGDSave up to $1,048 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
1.65ct Round
$1,636 SGD