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Heart|Lab Grown|IGI

1.51ct G VS1 Heart Lab Grown Diamond

GD • G/VS1 • IGI LG818679709

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG818679709

Diamond specifications and retailer prices

From $620 SGD
As of November 3, 2026
Save $841 SGD (58%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,461 SGD at MOH London · As of November 5, 2026
View at MOH London

About this 1.51ct lab-grown heart diamond

This 1.51ct lab-grown heart sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a standard cut grade and certified by IGI LG818679709 or 818679709. Listed at 5 retailers as of November 3, 2026, with prices from $620 to $1,461, a $841 spread on the same certified stone. MOH London lists it at $1,461. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
G
Colour
VS1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle43.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818679709
Dimensions6.64 × 7.65 × 5.03 mm
L/W Ratio1.15
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.64 mm7.65 mm1.51 ctG / VS1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818679709
Side View
Table 57.0%Crown 35.6°Girdle: ThickPavilion 43.4°Culet: NoneDepth 65.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: $1,461 SGD|Low: $589 SGD|High: $1,482 SGD|Avg: $924 SGD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 5, 2026
Retailer 4$620 SGD
Retailer 3$621 SGD
Retailer 2$681 SGD
Retailer 5$1,241 SGD
MOH London$1,461 SGD

35 data points across 5 retailers

5 retailers$620 SGD to $1,461 SGD

B+
Cheapest Retailer
-
$620 SGD
B+
Retailer 2
-
$621 SGD
View
B+
Retailer 3
-
$681 SGD
View
B
Retailer 4
-
$1,241 SGD
View
Most Expensive
B
MOH London
LG818679709 · Nov 5
$1,461 SGD
£900 GBP
View
4 more retailers have this diamond
Prices start from $620 SGDSave up to $841 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 Heart
$620 SGD