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Heart|Lab Grown|IGI

0.73ct D VVS1 Heart Lab Grown Diamond

ID • D/VVS1 • IGI LG643428675

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG643428675

Diamond specifications and retailer prices

From $334 NZD
As of November 4, 2026
Save $1,715 NZD (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,049 NZD at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 0.73ct lab-grown heart diamond

This 0.73ct 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 top-tier cut grade and certified by IGI LG643428675 or 643428675. Listed at 19 retailers as of November 4, 2026, with prices from $334 to $2,049, a $1,715 spread on the same certified stone. Reve Diamonds lists it at $2,049. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.73
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.2°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG643428675
Dimensions5.55 × 6.40 × 3.60 mm
L/W Ratio1.15
Girdle conditionFaceted
Culet sizePointed
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
5.55 mm6.40 mm0.73 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG643428675
Side View
Table 56.0%Crown 31.2°Girdle: MED-THKPavilion 38°Culet: NoneDepth 56.3%

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: Nov 4
Current: $742 NZD|Low: $330 NZD|High: $2,080 NZD|Avg: $904 NZD|-1.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Reve Diamonds
November 5, 2026
Retailer 18$334 NZD
Retailer 5$373 NZD
Retailer 14$387 NZD
Retailer 3$413 NZD
Retailer 16$413 NZD
Retailer 4$603 NZD
Retailer 7$724 NZD
Retailer 1$742 NZD
Retailer 15$750 NZD
Retailer 9$816 NZD
Retailer 2$1,040 NZD
Retailer 13$1,052 NZD
Retailer 12$1,063 NZD
Retailer 10$1,082 NZD
Retailer 17$1,329 NZD
Retailer 8$1,385 NZD
Retailer 6$1,423 NZD
Retailer 11$1,925 NZD
Reve Diamonds$2,049 NZD

41 data points across 19 retailers

19 retailers$334 NZD to $2,049 NZD

A
Cheapest Retailer
-
$334 NZD
A
Retailer 2
-
$373 NZD
View
Final sale: no returns
A
Retailer 3
-
$387 NZD
View
A
Retailer 4
-
$413 NZD
View
Retailer 5
-
$413 NZD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$603 NZD
View
B+
Retailer 7
-
$724 NZD
View
A
Retailer 8
-
$742 NZD
View
A
Retailer 9
-
$750 NZD
View
B+
Retailer 10
-
$816 NZD
View
Retailer 11
-
$1,040 NZD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
$1,052 NZD
View
B+
Retailer 13
-
$1,063 NZD
View
Retailer 14
-
$1,082 NZD
View
Price last confirmed 20 days ago
B
Retailer 15
-
$1,329 NZD
View
B
Retailer 16
-
$1,385 NZD
View
B
Retailer 17
-
$1,423 NZD
View
B
Retailer 18
-
$1,925 NZD
View
Most Expensive
B
Reve Diamonds
949A43676 · Nov 4
$2,049 NZD
$1,155 USD
View
18 more retailers have this diamond
Prices start from $334 NZDSave up to $1,715 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
0.73ct Heart
$334 NZD