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Round|Lab Grown|IGI

1.66ct F SI2 Round Lab Grown Diamond

ID • F/SI2 • IGI LG483102895

Shape and cutting style on the report: Round brilliant

Certificate IGI LG483102895

Diamond specifications and retailer prices

From $370 SGD
$289 USD
As of November 1, 2026
Save $1,466 SGD (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,835 SGD at MOH London · As of November 1, 2026
View at MOH London

About this 1.66ct lab-grown round diamond

This 1.66ct 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 LG483102895 or 483102895. Listed at 15 retailers as of November 1, 2026, with prices from $370 to $1,835, a $1,466 spread on the same certified stone. MOH London lists it at $1,835. 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

1.66
Carat
F
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG483102895
Dimensions7.68 × 7.61 × 4.66 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.68 mm7.61 mm1.66 ctF / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG483102895
Side View
Table 58.5%Crown 34.2°Girdle: THN-MEDPavilion 40.9°Culet: NoneDepth 61.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $1,835 SGD|Low: $354 SGD|High: $1,856 SGD|Avg: $783 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
November 2, 2026
Retailer 9$370 SGD
Retailer 4$412 SGD
Retailer 13$428 SGD
Retailer 5$458 SGD
Retailer 10$458 SGD
Retailer 11$601 SGD
Retailer 2$739 SGD
Retailer 12$798 SGD
Retailer 6$801 SGD
Retailer 7$876 SGD
Retailer 8$1,407 SGD
Retailer 3$1,472 SGD
MOH London$1,835 SGD

44 data points across 13 retailers

15 retailers$370 SGD to $1,835 SGD

A
Cheapest Retailer
-
$370 SGD
$289 USD
A
Retailer 2
-
$412 SGD
$322 USD
View
Final sale: no returns
A
Retailer 3
-
$428 SGD
$335 USD
View
Retailer 4
-
$458 SGD
$358 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$458 SGD
$358 USD
View
A
Retailer 6
-
$507 SGD
HK$3,100 HKD
View
B+
Retailer 7
-
$601 SGD
$470 USD
View
A
Retailer 8
-
$739 SGD
€550 EUR
View
B+
Retailer 9
-
$798 SGD
$624 USD
View
B+
Retailer 10
-
$801 SGD
£493 GBP
View
Retailer 11
-
$876 SGD
$685 USD
View
Price last confirmed 12 days ago
B
Retailer 12
-
$1,287 SGD
$1,006 USD
View
B
Retailer 13
-
$1,407 SGD
$1,100 USD
View
B
Retailer 14
-
$1,472 SGD
$1,151 USD
View
Most Expensive
B
MOH London
LG483102895 · Nov 1
$1,835 SGD
£1,130 GBP
View
14 more retailers have this diamond
Prices start from $370 SGDSave up to $1,466 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
1.66ct Round
$370 SGD