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Round|Lab Grown|IGI

1.51ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG794610644

Shape and cutting style on the report: Round brilliant

Certificate IGI LG794610644

Diamond specifications and retailer prices

From $251 SGD
$196 USD
As of October 29, 2026
Save $1,199 SGD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,450 SGD at MOH London · As of November 1, 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG794610644 or 794610644. Listed at 19 retailers as of October 29, 2026, with prices from $251 to $1,450, a $1,199 spread on the same certified stone. MOH London lists it at $1,450. 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
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794610644
Dimensions7.44 × 7.38 × 4.47 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.44 mm7.38 mm1.51 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794610644
Side View
Table 57.0%Crown 34°Girdle: MediumPavilion 40.2°Culet: NoneDepth 60.4%

Caratlytics Score

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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: Oct 29
Current: $1,450 SGD|Low: $244 SGD|High: $1,492 SGD|Avg: $713 SGD|-1.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 1, 2026
Retailer 4$251 SGD
Retailer 14$279 SGD
Retailer 13$290 SGD
Retailer 9$311 SGD
Retailer 6$312 SGD
Retailer 15$539 SGD
Retailer 2$565 SGD
Retailer 7$580 SGD
Retailer 12$735 SGD
Retailer 11$803 SGD
Retailer 5$914 SGD
Retailer 10$997 SGD
Retailer 16$1,010 SGD
Retailer 3$1,065 SGD
Retailer 8$1,099 SGD
MOH London$1,450 SGD

36 data points across 16 retailers

19 retailers$251 SGD to $1,450 SGD

Retailer 1
-
$251 SGD
$196 USD
Price last confirmed 44 days ago
A
Retailer 2
-
$251 SGD
$196 USD
View
A
Retailer 3
-
$279 SGD
$218 USD
View
Final sale: no returns
A
Retailer 4
-
$290 SGD
$227 USD
View
Retailer 5
-
$304 SGD
$238 USD
View
Price last confirmed 43 days ago
A
Retailer 6
-
$311 SGD
$243 USD
View
Retailer 7
-
$312 SGD
$244 USD
View
Price last confirmed 7 days ago
B+
Retailer 8
-
$539 SGD
$422 USD
View
A
Retailer 9
-
$565 SGD
£348 GBP
View
A
Retailer 10
-
$580 SGD
$454 USD
View
B+
Retailer 11
-
$735 SGD
$575 USD
View
B+
Retailer 12
-
$803 SGD
$628 USD
View
B+
Retailer 13
-
$914 SGD
$715 USD
View
Retailer 14
-
$991 SGD
$775 USD
View
Price last confirmed 41 days ago
B+
Retailer 15
-
$997 SGD
$780 USD
View
B+
Retailer 16
-
$1,010 SGD
View
B+
Retailer 17
-
$1,065 SGD
$833 USD
View
B
Retailer 18
-
$1,099 SGD
$860 USD
View
Most Expensive
B
MOH London
LG794610644 · Nov 1
$1,450 SGD
£893 GBP
View
18 more retailers have this diamond
Prices start from $251 SGDSave up to $1,199 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 Round
$251 SGD