CaratHunter
Plans
Heart|Lab Grown|IGI

0.51ct D VS1 Heart Lab Grown Diamond

EX • D/VS1 • IGI LG765630030

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG765630030

Diamond specifications and retailer prices

From $211 NZD
$119 USD
As of October 30, 2026
Save $1,447 NZD (87%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,186 NZD at MOH London · As of October 26, 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 top-tier cut grade and certified by IGI LG765630030 or 765630030. Listed at 19 retailers as of October 30, 2026, with a 685% 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

0.51
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle32.1°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG765630030
Dimensions5.18 × 5.46 × 3.20 mm
L/W Ratio1.05
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.18 mm5.46 mm0.51 ctD / VS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG765630030
Side View
Table 65.0%Crown 32.1°Girdle: MediumPavilion 40.5°Culet: NoneDepth 58.6%

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: Oct 30
Current: $2,186 NZD|Low: $211 NZD|High: $2,208 NZD|Avg: $728 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
November 1, 2026
Retailer 15$211 NZD
Retailer 8$236 NZD
Retailer 17$245 NZD
Retailer 5$277 NZD
Retailer 10$464 NZD
Retailer 9$469 NZD
Retailer 14$472 NZD
Retailer 11$507 NZD
Retailer 2$532 NZD
Retailer 13$631 NZD
Retailer 7$667 NZD
Retailer 12$710 NZD
Retailer 3$841 NZD
Retailer 16$937 NZD
Retailer 6$1,194 NZD
Retailer 4$1,658 NZD
MOH London$2,186 NZD

42 data points across 17 retailers

19 retailers$211 NZD to $1,658 NZD

A
Cheapest Retailer
-
$211 NZD
$119 USD
A
Retailer 2
-
$236 NZD
$133 USD
View
Final sale: no returns
A
Retailer 3
-
$245 NZD
$138 USD
View
Retailer 4
-
$277 NZD
$156 USD
View
Price last confirmed 37 days ago
B+
Retailer 5
-
$464 NZD
€249 EUR
View
B+
Retailer 6
-
$469 NZD
$265 USD
View
B+
Retailer 7
-
$472 NZD
ZAR 4,301 ZAR
View
B+
Retailer 8
-
$507 NZD
$286 USD
View
B+
Retailer 9
-
$532 NZD
£236 GBP
View
Retailer 10
-
$566 NZD
$319 USD
View
Price last confirmed 19 days ago
B+
Retailer 11
-
$631 NZD
£280 GBP
View
B
Retailer 12
-
$667 NZD
$376 USD
View
B
Retailer 13
-
$710 NZD
$400 USD
View
B
Retailer 14
-
$841 NZD
$474 USD
View
B
Retailer 15
-
$937 NZD
$528 USD
View
B
Retailer 16
-
$942 NZD
$531 USD
View
B
Retailer 17
-
$1,194 NZD
£530 GBP
View
B
Retailer 18
-
$1,658 NZD
$935 USD
View
Most Expensive
MOH London
LG765630030 · Oct 26
$2,186 NZD
£970 GBP
View
Price under review
18 more retailers have this diamond
Prices start from $211 NZDSave up to $1,447 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
$211 NZD