Heart|Lab Grown|IGI

0.51ct D VVS1 Heart Lab Grown Diamond

VG • D/VVS1 • IGI LG840632596

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG840632596

Diamond specifications and retailer prices

From $685 NZD
As of November 4, 2026
7 retailers carry this diamond
Most expensive: $1,381 NZD at Taylor and Hart · As of October 26, 2026
View at Taylor and Hart

About this 0.51ct lab-grown heart diamond

This 0.51ct lab-grown heart sits in the half to three-quarter carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI LG840632596 or 840632596. Listed at 7 retailers as of November 4, 2026. 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

0.51
Carat
D
Colour
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840632596
Dimensions5.06 × 5.53 × 3.02 mm
L/W Ratio1.09
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
Top View
5.06 mm5.53 mm0.51 ctD / VVS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840632596
Side View
Table 63.0%Crown 35.7°Girdle: STK-VTKPavilion 35.5°Culet: NoneDepth 54.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $685 NZD|Low: $459 NZD|High: $1,381 NZD|Avg: $786 NZD|+0.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Taylor and Hart
October 31, 2026
Retailer 3$459 NZD
Retailer 2$564 NZD
Retailer 4$656 NZD
Retailer 1$685 NZD
Retailer 6$717 NZD
Retailer 5$836 NZD
Taylor and Hart$1,381 NZD

5 data points across 7 retailers

7 retailers

Retailer 1
-
$459 NZD
Price last confirmed 9 days ago
Retailer 2
-
$564 NZD
View
Price last confirmed 8 days ago
Retailer 3
-
$656 NZD
View
Price last confirmed 9 days ago
B+
Retailer 4
-
$685 NZD
View
Retailer 5
-
$717 NZD
View
Price last confirmed 9 days ago
Retailer 6
-
$836 NZD
View
Price last confirmed 9 days ago
Most Expensive
Taylor and Hart
W2ELA4F · Oct 26
$1,381 NZD
$779 USD
View
Price last confirmed 9 days ago
6 more retailers have this diamond
Prices start from $685 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.

B+
0.51ct Heart
$685 NZD