Heart|Lab Grown|IGI

1.51ct G VS1 Heart Lab Grown Diamond

VG • G/VS1 • IGI LG795634816

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG795634816

Diamond specifications and retailer prices

From $390 USD
As of November 1, 2026
Save $776 USD (67%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,166 USD at MOH London · As of October 29, 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 very-good cut grade and certified by IGI LG795634816 or 795634816. Listed at 9 retailers as of October 29, 2026, with prices from $390 to $1,166, a $776 spread on the same certified stone. MOH London lists it at $1,166. 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
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG795634816
Dimensions7.70 × 7.52 × 4.36 mm
L/W Ratio1.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.70 mm7.52 mm1.51 ctG / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG795634816
Side View
Table 66.0%Crown 36.7°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 58.0%

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 1
Current: $1,166 USD|Low: $390 USD|High: $1,173 USD|Avg: $645 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 5$390 USD
Retailer 2$481 USD
Retailer 7$486 USD
Retailer 6$541 USD
Retailer 3$546 USD
Retailer 4$915 USD
MOH London$1,166 USD

42 data points across 7 retailers

9 retailers$390 USD to $1,166 USD

B+
Cheapest Retailer
-
$390 USD
A
Retailer 2
-
$481 USD
€458 EUR
View
B+
Retailer 3
-
$486 USD
View
B+
Retailer 4
-
$541 USD
View
B+
Retailer 5
-
$546 USD
£430 GBP
View
Retailer 6
-
$915 USD
View
Price last confirmed 12 days ago
B
Retailer 7
-
$930 USD
View
B
Retailer 8
-
$982 USD
View
Most Expensive
B
MOH London
LG795634816 · Oct 29
$1,166 USD
£918 GBP
View
8 more retailers have this diamond
Prices start from $390 USDSave up to $776 USD

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 Heart
$390 USD