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Round|Lab Grown|IGI

1.51ct K SI2 Round Lab Grown Diamond

EX • K/SI2 • IGI LG462132991

Shape and cutting style on the report: Round brilliant

Certificate IGI LG462132991

Diamond specifications and retailer prices

From $2,307 SGD
As of November 5, 2026
Save $2,709 SGD (54%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $7,621 SGD at MOH London · As of November 5, 2026
View at MOH London

About this 1.51ct lab-grown round diamond

This 1.51ct lab-grown round 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 LG462132991 or 462132991. Listed at 8 retailers as of November 5, 2026, with a 117% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG462132991
Dimensions7.34 × 7.37 × 4.46 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
Faint Brown This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.34 mm7.37 mm1.51 ctK / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG462132991
Side View
Table 60.0%Crown 36.1°GirdlePavilion 40.1°Culet: NoneDepth 60.6%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 5
Current: $7,621 SGD|Low: $2,215 SGD|High: $7,744 SGD|Avg: $4,275 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$2,307 SGD
Retailer 6$2,510 SGD
Retailer 4$2,676 SGD
Retailer 8$3,546 SGD
Retailer 5$4,197 SGD
Retailer 2$4,501 SGD
Retailer 7$5,016 SGD
Retailer 9$5,988 SGD
MOH London$7,621 SGD

15 data points across 9 retailers

8 retailers$2,307 SGD to $5,016 SGD

B
Cheapest Retailer
-
$2,307 SGD
B
Retailer 2
-
$2,510 SGD
View
Retailer 3
-
$2,676 SGD
View
Price last confirmed 25 days ago
B
Retailer 4
-
$2,676 SGD
View
C
Retailer 5
-
$4,197 SGD
View
C
Retailer 6
-
$4,501 SGD
View
C
Retailer 7
-
$5,016 SGD
View
Most Expensive
MOH London
LG462132991 · Nov 5
$7,621 SGD
£4,698 GBP
View
Price under review
7 more retailers have this diamond
Prices start from $2,307 SGDSave up to $2,709 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 Round
$2,307 SGD