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Oval|Lab Grown|IGI

1.51ct K SI1 Oval Lab Grown Diamond

ID • K/SI1 • IGI LG440013404

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG440013404

Diamond specifications and retailer prices

From $1,175 SGD
As of November 5, 2026
Save $3,436 SGD (75%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,611 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG440013404 or 440013404. Listed at 10 retailers as of November 5, 2026, with prices from $1,175 to $4,611, a $3,436 spread on the same certified stone. MOH London lists it at $4,611. 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
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG440013404
Dimensions9.11 × 6.45 × 4.02 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.11 mm6.45 mm1.51 ctK / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG440013404
Side View
Table 57.0%Crown 36.1°Girdle: STK-THKPavilion 40.3°Culet: NoneDepth 62.3%

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: $4,611 SGD|Low: $1,128 SGD|High: $4,684 SGD|Avg: $2,473 SGD|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 6$1,175 SGD
Retailer 10$1,279 SGD
Retailer 7$1,364 SGD
Retailer 4$1,589 SGD
Retailer 2$1,894 SGD
Retailer 11$2,015 SGD
Retailer 8$2,184 SGD
Retailer 5$3,032 SGD
Retailer 9$3,832 SGD
Retailer 3$3,902 SGD
MOH London$4,611 SGD

29 data points across 11 retailers

10 retailers$1,175 SGD to $4,611 SGD

A
Cheapest Retailer
-
$1,175 SGD
A
Retailer 2
-
$1,279 SGD
View
Retailer 3
-
$1,364 SGD
View
Price last confirmed 25 days ago
A
Retailer 4
-
$1,364 SGD
View
A
Retailer 5
-
$1,589 SGD
View
B+
Retailer 6
-
$1,894 SGD
View
B+
Retailer 7
-
$2,184 SGD
View
B
Retailer 8
-
$3,032 SGD
View
B
Retailer 9
-
$3,832 SGD
View
Most Expensive
B
MOH London
LG440013404 · Nov 5
$4,611 SGD
£2,833 GBP
View
9 more retailers have this diamond
Prices start from $1,175 SGDSave up to $3,436 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
1.51ct Oval
$1,175 SGD