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Heart|Lab Grown|IGI

0.51ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG815693453

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG815693453

Diamond specifications and retailer prices

From $194 NZD
$109 USD
As of October 27, 2026
Save $1,414 NZD (88%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,020 NZD at MOH London · As of October 29, 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 LG815693453 or 815693453. Listed at 18 retailers as of October 27, 2026, with a 728% 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
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815693453
Dimensions5.39 × 5.08 × 3.17 mm
L/W Ratio1.06
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
5.39 mm5.08 mm0.51 ctD / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815693453
Side View
Table 53.0%Crown 37.2°Girdle: STK-THKPavilion 37.7°Culet: NoneDepth 58.8%

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 27
Current: $2,020 NZD|Low: $187 NZD|High: $2,032 NZD|Avg: $546 NZD|+0.6%
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
October 29, 2026
Retailer 13$194 NZD
Retailer 6$217 NZD
Retailer 11$224 NZD
Retailer 12$257 NZD
Retailer 14$257 NZD
Retailer 3$330 NZD
Retailer 8$435 NZD
Retailer 9$447 NZD
Retailer 7$477 NZD
Retailer 2$581 NZD
Retailer 5$650 NZD
Retailer 4$773 NZD
Retailer 10$862 NZD
MOH London$2,020 NZD

41 data points across 14 retailers

18 retailers$194 NZD to $1,609 NZD

A
Cheapest Retailer
-
$194 NZD
$109 USD
A
Retailer 2
-
$217 NZD
$122 USD
View
Final sale: no returns
A
Retailer 3
-
$224 NZD
$126 USD
View
A
Retailer 4
-
$257 NZD
$144 USD
View
A
Retailer 5
-
$257 NZD
$144 USD
View
A
Retailer 6
-
$274 NZD
HK$1,200 HKD
View
A
Retailer 7
-
$330 NZD
$185 USD
View
A
Retailer 8
-
$435 NZD
ZAR 3,941 ZAR
View
B+
Retailer 9
-
$447 NZD
€239 EUR
View
B+
Retailer 10
-
$477 NZD
£211 GBP
View
B+
Retailer 11
-
$581 NZD
£257 GBP
View
B+
Retailer 12
-
$650 NZD
$365 USD
View
B+
Retailer 13
-
$682 NZD
SGD 517 SGD
View
B
Retailer 14
-
$773 NZD
$434 USD
View
B
Retailer 15
-
$862 NZD
$484 USD
View
B
Retailer 16
-
$876 NZD
$492 USD
View
B
Retailer 17
-
$1,609 NZD
$903 USD
View
Most Expensive
B
MOH London
LG815693453 · Oct 29
$2,020 NZD
£893 GBP
View
Price under review
17 more retailers have this diamond
Prices start from $194 NZDSave up to $1,414 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
$194 NZD