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Oval|Lab Grown|IGI

1.23ct K SI1 Oval Lab Grown Diamond

ID • K/SI1 • IGI LG447099065

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG447099065

Diamond specifications and retailer prices

From $607 SGD
As of November 5, 2026
Save $2,150 SGD (78%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,757 SGD at MOH London · As of November 5, 2026
View at MOH London

About this 1.23ct lab-grown oval diamond

This 1.23ct lab-grown oval sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG447099065 or 447099065. Listed at 10 retailers as of November 5, 2026, with prices from $607 to $2,757, a $2,150 spread on the same certified stone. MOH London lists it at $2,757. 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

1.23
Carat
K
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447099065
Dimensions8.99 × 5.97 × 3.62 mm
L/W Ratio1.51
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
8.99 mm5.97 mm1.23 ctK / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG447099065
Side View
Table 57.5%Crown 34°Girdle: MED-THKPavilion 40.2°Culet: NoneDepth 60.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $2,757 SGD|Low: $607 SGD|High: $2,798 SGD|Avg: $1,510 SGD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 5$607 SGD
Retailer 6$752 SGD
Retailer 3$936 SGD
Retailer 2$1,124 SGD
Retailer 7$1,175 SGD
Retailer 8$2,016 SGD
Retailer 4$2,024 SGD
MOH London$2,757 SGD

24 data points across 8 retailers

10 retailers$607 SGD to $2,757 SGD

A
Cheapest Retailer
-
$607 SGD
A
Retailer 2
-
$679 SGD
View
Retailer 3
-
$752 SGD
View
Price last confirmed 21 days ago
B+
Retailer 4
-
$752 SGD
View
B+
Retailer 5
-
$936 SGD
View
B+
Retailer 6
-
$1,124 SGD
View
B+
Retailer 7
-
$1,175 SGD
View
B
Retailer 8
-
$2,024 SGD
View
B
Retailer 9
-
$2,420 SGD
View
Most Expensive
B
MOH London
LG447099065 · Nov 5
$2,757 SGD
£1,694 GBP
View
9 more retailers have this diamond
Prices start from $607 SGDSave up to $2,150 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
1.23ct Oval
$607 SGD