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Oval|Lab Grown|IGI

1.51ct K SI2 Oval Lab Grown Diamond

ID • K/SI2 • IGI LG451055734

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG451055734

Diamond specifications and retailer prices

From $2,197 SGD
As of November 5, 2026
Save $5,063 SGD (70%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $7,259 SGD at MOH London · As of November 5, 2026
View at MOH London

About this 1.51ct lab-grown oval diamond

This 1.51ct 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 LG451055734 or 451055734. Listed at 8 retailers as of November 5, 2026, with prices from $2,197 to $7,259, a $5,063 spread on the same certified stone. MOH London lists it at $7,259. 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

1.51
Carat
K
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451055734
Dimensions8.77 × 6.56 × 4.11 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
8.77 mm6.56 mm1.51 ctK / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451055734
Side View
Table 59.0%Crown 35.7°Girdle: STK-THKPavilion 40.9°Culet: NoneDepth 62.7%

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: $7,259 SGD|Low: $2,110 SGD|High: $7,376 SGD|Avg: $4,063 SGD|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 3$2,197 SGD
Retailer 7$2,390 SGD
Retailer 4$2,549 SGD
Retailer 8$3,396 SGD
Retailer 5$4,004 SGD
Retailer 2$4,395 SGD
Retailer 6$4,778 SGD
Retailer 9$5,704 SGD
MOH London$7,259 SGD

13 data points across 9 retailers

8 retailers$2,197 SGD to $7,259 SGD

B+
Cheapest Retailer
-
$2,197 SGD
B+
Retailer 2
-
$2,390 SGD
View
Retailer 3
-
$2,549 SGD
View
Price last confirmed 25 days ago
B
Retailer 4
-
$2,549 SGD
View
B
Retailer 5
-
$4,004 SGD
View
B
Retailer 6
-
$4,395 SGD
View
B
Retailer 7
-
$4,778 SGD
View
Most Expensive
B
MOH London
LG451055734 · Nov 5
$7,259 SGD
£4,460 GBP
View
7 more retailers have this diamond
Prices start from $2,197 SGDSave up to $5,063 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+
1.51ct Oval
$2,197 SGD