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Heart|Lab Grown|IGI

1.51ct G VVS1 Heart Lab Grown Diamond

EX • G/VVS1 • IGI LG656414930

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG656414930

Diamond specifications and retailer prices

From $387 USD
As of November 4, 2026
Save $1,552 USD (80%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,430 USD at Do Amore Diamonds · As of November 3, 2026
View at Do Amore Diamonds

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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG656414930 or 656414930. Listed at 19 retailers as of November 4, 2026, with a 401% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG656414930
Dimensions6.78 × 8.11 × 4.70 mm
L/W Ratio1.20
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.78 mm8.11 mm1.51 ctG / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG656414930
Side View
Table 59.0%Crown 36.5°Girdle: MED-STKPavilion 38.2°Culet: NoneDepth 58.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $3,430 USD|Low: $371 USD|High: $3,430 USD|Avg: $1,116 USD
Do Amore Diamonds
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
November 5, 2026
Retailer 3$387 USD
Retailer 13$433 USD
Retailer 4$480 USD
Retailer 10$562 USD
Retailer 5$576 USD
Retailer 6$637 USD
Retailer 2$865 USD
Retailer 8$913 USD
Retailer 9$1,233 USD
Retailer 11$1,345 USD
Retailer 14$1,781 USD
Retailer 12$1,796 USD
Retailer 7$1,939 USD
Do Amore Diamonds$3,430 USD

43 data points across 14 retailers

19 retailers$387 USD to $1,939 USD

A
Cheapest Retailer
-
$387 USD
A
Retailer 2
-
$433 USD
View
A
Retailer 3
-
$433 USD
View
Final sale: no returns
A
Retailer 4
-
$480 USD
View
Retailer 5
-
$480 USD
View
Price last confirmed 11 days ago
B+
Retailer 6
-
$530 USD
View
B+
Retailer 7
-
$576 USD
View
B+
Retailer 8
-
$630 USD
View
B+
Retailer 9
-
$637 USD
View
B+
Retailer 10
-
$865 USD
View
B+
Retailer 11
-
$913 USD
View
B
Retailer 12
-
$1,233 USD
View
B
Retailer 13
-
$1,345 USD
View
B
Retailer 14
-
$1,702 USD
View
B
Retailer 15
-
$1,781 USD
View
B
Retailer 16
-
$1,796 USD
View
B
Retailer 17
-
$1,853 USD
View
B
Retailer 18
-
$1,939 USD
View
Most Expensive
Do Amore Diamonds
27-0D90983EA · Nov 3
$3,430 USD
View
Price under review
18 more retailers have this diamond
Prices start from $387 USDSave up to $1,552 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
$387 USD