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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 $688 NZD
As of November 4, 2026
Save $2,761 NZD (80%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $6,102 NZD at Do Amore Diamonds · As of November 5, 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
Colour
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $6,102 NZD|Low: $660 NZD|High: $6,102 NZD|Avg: $1,986 NZD
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$688 NZD
Retailer 13$770 NZD
Retailer 4$854 NZD
Retailer 10$1,000 NZD
Retailer 5$1,025 NZD
Retailer 6$1,133 NZD
Retailer 2$1,539 NZD
Retailer 8$1,624 NZD
Retailer 9$2,193 NZD
Retailer 11$2,393 NZD
Retailer 14$3,168 NZD
Retailer 12$3,195 NZD
Retailer 7$3,449 NZD
Do Amore Diamonds$6,102 NZD

43 data points across 14 retailers

19 retailers$688 NZD to $3,449 NZD

A
Cheapest Retailer
-
$688 NZD
A
Retailer 2
-
$770 NZD
View
A
Retailer 3
-
$770 NZD
View
Final sale: no returns
A
Retailer 4
-
$854 NZD
View
Retailer 5
-
$854 NZD
View
Price last confirmed 12 days ago
B+
Retailer 6
-
$943 NZD
View
B+
Retailer 7
-
$1,025 NZD
View
B+
Retailer 8
-
$1,121 NZD
View
B+
Retailer 9
-
$1,133 NZD
View
B+
Retailer 10
-
$1,539 NZD
View
B+
Retailer 11
-
$1,624 NZD
View
Retailer 12
-
$2,193 NZD
View
Price last confirmed 8 days ago
B
Retailer 13
-
$2,393 NZD
View
B
Retailer 14
-
$3,028 NZD
View
B
Retailer 15
-
$3,168 NZD
View
B
Retailer 16
-
$3,195 NZD
View
B
Retailer 17
-
$3,296 NZD
View
B
Retailer 18
-
$3,449 NZD
View
Most Expensive
Do Amore Diamonds
27-0D90983EA · Nov 5
$6,102 NZD
$3,430 USD
View
Price under review
18 more retailers have this diamond
Prices start from $688 NZDSave up to $2,761 NZD

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
$688 NZD