CaratHunter
Plans
Heart|Lab Grown|IGI

1.51ct G VVS1 Heart Lab Grown Diamond

EX • G/VVS1 • IGI LG840637269

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG840637269

Diamond specifications and retailer prices

From $945 NZD
As of November 4, 2026
Save $1,312 NZD (58%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $2,257 NZD 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG840637269 or 840637269. Listed at 6 retailers as of November 4, 2026, with prices from $945 to $2,257, a $1,312 spread on the same certified stone. MOH London lists it at $2,257. 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 angle38.6°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840637269
Dimensions6.81 × 7.84 × 4.60 mm
L/W Ratio1.15
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II Faint Blue
Top View
6.81 mm7.84 mm1.51 ctG / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840637269
Side View
Table 61.0%Crown 38.6°Girdle: MED-STKPavilion 37.8°Culet: NoneDepth 58.7%

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: $2,257 NZD|Low: $945 NZD|High: $2,291 NZD|Avg: $1,360 NZD|-1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 5, 2026
Retailer 3$945 NZD
Retailer 5$1,032 NZD
Retailer 2$1,060 NZD
Retailer 4$1,147 NZD
Retailer 6$1,905 NZD
MOH London$2,257 NZD

34 data points across 6 retailers

6 retailers$945 NZD to $2,257 NZD

A
Cheapest Retailer
-
$945 NZD
B+
Retailer 2
-
$1,032 NZD
View
B+
Retailer 3
-
$1,060 NZD
View
B+
Retailer 4
-
$1,147 NZD
View
B
Retailer 5
-
$1,905 NZD
View
Most Expensive
B
MOH London
LG840637269 · Nov 5
$2,257 NZD
£999 GBP
View
5 more retailers have this diamond
Prices start from $945 NZDSave up to $1,312 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
$945 NZD