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Oval|Lab Grown|IGI

1.66ct K SI2 Oval Lab Grown Diamond

ID • K/SI2 • IGI LG445037333

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG445037333

Diamond specifications and retailer prices

From $2,412 SGD
As of November 5, 2026
Save $5,557 SGD (70%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $7,969 SGD at MOH London · As of November 5, 2026
View at MOH London

About this 1.66ct lab-grown oval diamond

This 1.66ct lab-grown oval sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG445037333 or 445037333. Listed at 8 retailers as of November 5, 2026, with prices from $2,412 to $7,969, a $5,557 spread on the same certified stone. MOH London lists it at $7,969. 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
K
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445037333
Dimensions9.30 × 6.72 × 4.20 mm
L/W Ratio1.38
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.30 mm6.72 mm1.66 ctK / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG445037333
Side View
Table 57.0%Crown 33.3°Girdle: STK-THKPavilion 40.8°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $7,969 SGD|Low: $2,316 SGD|High: $8,097 SGD|Avg: $4,451 SGD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 3$2,412 SGD
Retailer 7$2,625 SGD
Retailer 4$2,798 SGD
Retailer 8$3,590 SGD
Retailer 5$4,386 SGD
Retailer 2$4,595 SGD
Retailer 6$5,244 SGD
Retailer 9$6,262 SGD
MOH London$7,969 SGD

14 data points across 9 retailers

8 retailers$2,412 SGD to $7,969 SGD

B+
Cheapest Retailer
-
$2,412 SGD
B+
Retailer 2
-
$2,625 SGD
View
B
Retailer 3
-
$2,798 SGD
View
Retailer 4
-
$2,798 SGD
View
Price last confirmed 26 days ago
B
Retailer 5
-
$4,386 SGD
View
B
Retailer 6
-
$4,595 SGD
View
B
Retailer 7
-
$5,244 SGD
View
Most Expensive
B
MOH London
LG445037333 · Nov 5
$7,969 SGD
£4,896 GBP
View
7 more retailers have this diamond
Prices start from $2,412 SGDSave up to $5,557 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+
1.66ct Oval
$2,412 SGD