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Heart|Lab Grown|IGI

1.51ct G VS1 Heart Lab Grown Diamond

EX • G/VS1 • IGI LG754567521

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG754567521

Diamond specifications and retailer prices

From $272 USD
As of November 2, 2026
Save $1,081 USD (80%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,353 USD at MOH London · As of October 26, 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 top-tier cut grade and certified by IGI LG754567521 or 754567521. Listed at 19 retailers as of October 26, 2026, with prices from $272 to $1,353, a $1,081 spread on the same certified stone. MOH London lists it at $1,353. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754567521
Dimensions7.22 × 7.71 × 4.48 mm
L/W Ratio1.07
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.22 mm7.71 mm1.51 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754567521
Side View
Table 62.0%Crown 34.9°Girdle: MED-THKPavilion 38.7°Culet: NoneDepth 58.1%

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: Nov 2
Current: $1,353 USD|Low: $257 USD|High: $1,359 USD|Avg: $704 USD|+0.8%
MOH London
Retailer 2
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 17
November 2, 2026
Retailer 5$267 USD
Retailer 7$299 USD
Retailer 6$332 USD
Retailer 15$337 USD
Retailer 17$455 USD
Retailer 13$495 USD
Retailer 16$499 USD
Retailer 12$545 USD
Retailer 11$581 USD
Retailer 10$593 USD
Retailer 8$669 USD
Retailer 14$784 USD
Retailer 2$868 USD
Retailer 3$1,135 USD
Retailer 4$1,297 USD
Retailer 9$1,350 USD
MOH London$1,353 USD

33 data points across 17 retailers

19 retailers$272 USD to $1,353 USD

Retailer 1
-
$267 USD
Price last confirmed 25 days ago
A
Retailer 2
-
$272 USD
View
Retailer 3
-
$310 USD
View
Price last confirmed 35 days ago
Retailer 4
-
$332 USD
View
Price last confirmed 30 days ago
Retailer 5
-
$337 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$455 USD
View
A
Retailer 7
-
$495 USD
View
A
Retailer 8
-
$499 USD
View
B+
Retailer 9
-
$545 USD
€519 EUR
View
B+
Retailer 10
-
$581 USD
ZAR 9,392 ZAR
View
B+
Retailer 11
-
$593 USD
£467 GBP
View
Retailer 12
-
$769 USD
View
Price last confirmed 24 days ago
B+
Retailer 13
-
$784 USD
A$1,206 AUD
View
B+
Retailer 14
-
$868 USD
View
Retailer 15
-
$1,066 USD
View
Price last confirmed 33 days ago
Retailer 16
-
$1,070 USD
SGD 1,446 SGD
View
Price last confirmed 23 days ago
B
Retailer 17
-
$1,135 USD
View
B
Retailer 18
-
$1,297 USD
View
Most Expensive
B
MOH London
LG754567521 · Oct 26
$1,353 USD
£1,065 GBP
View
18 more retailers have this diamond
Prices start from $272 USDSave up to $1,081 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
$272 USD