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Heart|Lab Grown|IGI

0.51ct D VS1 Heart Lab Grown Diamond

VG • D/VS1 • IGI LG840664500

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG840664500

Diamond specifications and retailer prices

From $274 NZD
HK$1,200 HKD
As of October 24, 2026
14 retailers carry this diamond
Most expensive: $2,016 NZD at MOH London · As of October 15, 2026
View at MOH London

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 VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG840664500 or 840664500. Listed at 14 retailers as of October 24, 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
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle39.2°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840664500
Dimensions4.94 × 5.37 × 3.22 mm
L/W Ratio1.09
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
4.94 mm5.37 mm0.51 ctD / VS1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG840664500
Side View
Table 61.0%Crown 39.2°Girdle: MED-STKPavilion 39.2°Culet: NoneDepth 60.0%

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: Oct 24
Current: $2,016 NZD|Low: $185 NZD|High: $2,018 NZD|Avg: $596 NZD|-0.1%
MOH London
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
Retailer 15
Retailer 16
Retailer 17
October 15, 2026
Retailer 15$192 NZD
Retailer 16$214 NZD
Retailer 7$255 NZD
Retailer 17$274 NZD
Retailer 11$428 NZD
Retailer 12$432 NZD
Retailer 10$454 NZD
Retailer 2$477 NZD
Retailer 8$595 NZD
Retailer 6$648 NZD
Retailer 5$672 NZD
Retailer 4$697 NZD
Retailer 3$768 NZD
Retailer 13$771 NZD
Retailer 9$871 NZD
Retailer 14$1,604 NZD
MOH London$2,016 NZD

14 data points across 17 retailers

14 retailers

A
Retailer 1
-
$192 NZD
$108 USD
Price last confirmed 20 days ago
A
Retailer 2
-
$255 NZD
$143 USD
View
Price last confirmed 26 days ago
A
Retailer 3
-
$274 NZD
HK$1,200 HKD
View
B+
Retailer 4
-
$428 NZD
ZAR 3,884 ZAR
View
Price last confirmed 16 days ago
B+
Retailer 5
-
$454 NZD
£201 GBP
View
Price last confirmed 15 days ago
B+
Retailer 6
-
$477 NZD
$268 USD
View
Price last confirmed 15 days ago
B
Retailer 7
-
$595 NZD
£263 GBP
View
Price last confirmed 15 days ago
B
Retailer 8
-
$672 NZD
SGD 510 SGD
View
Price last confirmed 15 days ago
B
Retailer 9
-
$730 NZD
$410 USD
View
Price last confirmed 15 days ago
B
Retailer 10
-
$768 NZD
$431 USD
View
Price last confirmed 24 days ago
B
Retailer 11
-
$771 NZD
$433 USD
View
Price last confirmed 15 days ago
B
Retailer 12
-
$871 NZD
$489 USD
View
Price last confirmed 15 days ago
B
Retailer 13
-
$1,604 NZD
$900 USD
View
Price last confirmed 15 days ago
Most Expensive
B
MOH London
LG840664500 · Oct 15
$2,016 NZD
£891 GBP
View
Price under review
13 more retailers have this diamond
Prices start from $274 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
0.51ct Heart
$274 NZD