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Heart|Lab Grown|IGI

0.51ct D VS1 Heart Lab Grown Diamond

EX • D/VS1 • IGI LG839630339

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG839630339

Diamond specifications and retailer prices

From $298 NZD
$168 USD
As of October 30, 2026
Save $1,639 NZD (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,937 NZD at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

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 LG839630339 or 839630339. Listed at 16 retailers as of October 30, 2026, with prices from $298 to $1,937, a $1,639 spread on the same certified stone. Reve Diamonds lists it at $1,937. 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
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839630339
Dimensions5.00 × 5.66 × 3.03 mm
L/W Ratio1.13
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
5.00 mm5.66 mm0.51 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839630339
Side View
Table 64.0%Crown 35.3°Girdle: MED-VTKPavilion 39.2°Culet: NoneDepth 53.5%

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 30
Current: $1,728 NZD|Low: $298 NZD|High: $1,937 NZD|Avg: $822 NZD|-0.1%
Retailer 1
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
Reve Diamonds
November 1, 2026
Retailer 14$298 NZD
Retailer 3$334 NZD
Retailer 12$346 NZD
Retailer 5$369 NZD
Retailer 11$369 NZD
Retailer 2$497 NZD
Retailer 13$634 NZD
Retailer 8$658 NZD
Retailer 9$668 NZD
Retailer 6$763 NZD
Retailer 10$942 NZD
Retailer 4$1,189 NZD
Retailer 15$1,256 NZD
Retailer 7$1,286 NZD
Retailer 1$1,728 NZD
Reve Diamonds$1,937 NZD

12 data points across 16 retailers

16 retailers$298 NZD to $1,937 NZD

A
Cheapest Retailer
-
$298 NZD
$168 USD
A
Retailer 2
-
$334 NZD
$188 USD
View
Final sale: no returns
A
Retailer 3
-
$346 NZD
$195 USD
View
Retailer 4
-
$369 NZD
$208 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$369 NZD
$208 USD
View
B+
Retailer 6
-
$497 NZD
$280 USD
View
Retailer 7
-
$634 NZD
A$550 AUD
View
Price last confirmed 7 days ago
B+
Retailer 8
-
$658 NZD
£292 GBP
View
B+
Retailer 9
-
$668 NZD
ZAR 6,086 ZAR
View
B
Retailer 10
-
$763 NZD
$430 USD
View
B
Retailer 11
-
$942 NZD
A$817 AUD
View
B
Retailer 12
-
$1,189 NZD
$670 USD
View
B
Retailer 13
-
$1,256 NZD
$708 USD
View
B
Retailer 14
-
$1,286 NZD
$725 USD
View
B
Retailer 15
-
$1,728 NZD
£767 GBP
View
Most Expensive
B
Reve Diamonds
0B291AA0B · Nov 1
$1,937 NZD
$1,092 USD
View
15 more retailers have this diamond
Prices start from $298 NZDSave up to $1,639 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
$298 NZD