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Heart|Lab Grown|IGI

1.28ct D VVS1 Heart Lab Grown Diamond

EX • D/VVS1 • IGI LG823652322

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG823652322

Diamond specifications and retailer prices

From $465 NZD
As of November 4, 2026
Save $2,226 NZD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,300 NZD at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

About this 1.28ct lab-grown heart diamond

This 1.28ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG823652322 or 823652322. Listed at 14 retailers as of November 4, 2026, with a 479% 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

1.28
Carat
D
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823652322
Dimensions6.86 × 7.26 × 4.38 mm
L/W Ratio1.06
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.86 mm7.26 mm1.28 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823652322
Side View
Table 59.0%Crown 36.8°Girdle: STK-THKPavilion 39.8°Culet: NoneDepth 60.3%

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: $3,300 NZD|Low: $465 NZD|High: $3,300 NZD|Avg: $1,537 NZD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 5, 2026
Retailer 11$465 NZD
Retailer 9$695 NZD
Retailer 3$894 NZD
Retailer 13$940 NZD
Retailer 2$962 NZD
Retailer 5$1,153 NZD
Retailer 12$1,265 NZD
Retailer 8$1,659 NZD
Retailer 7$1,746 NZD
Retailer 6$1,785 NZD
Retailer 4$2,076 NZD
Retailer 10$2,691 NZD
Brilliant Earth$3,300 NZD

24 data points across 13 retailers

14 retailers$465 NZD to $2,691 NZD

A
Cheapest Retailer
-
$465 NZD
Final sale: no returns
A
Retailer 2
-
$695 NZD
View
A
Retailer 3
-
$894 NZD
View
B+
Retailer 4
-
$940 NZD
View
B+
Retailer 5
-
$962 NZD
View
B+
Retailer 6
-
$1,153 NZD
View
B+
Retailer 7
-
$1,265 NZD
View
B
Retailer 8
-
$1,659 NZD
View
B+
Retailer 9
-
$1,746 NZD
View
B+
Retailer 10
-
$1,785 NZD
View
Retailer 11
-
$2,042 NZD
View
Price last confirmed 28 days ago
B
Retailer 12
-
$2,076 NZD
View
B
Retailer 13
-
$2,691 NZD
View
Most Expensive
Brilliant Earth
20909019A · Oct 16
$3,300 NZD
$1,860 USD
View
Price last confirmed 19 days ago
13 more retailers have this diamond
Prices start from $465 NZDSave up to $2,226 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
1.28ct Heart
$465 NZD