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Heart|Lab Grown|IGI

1.23ct D VVS1 Heart Lab Grown Diamond

ID • D/VVS1 • IGI LG828688731

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG828688731

Diamond specifications and retailer prices

From $406 NZD
As of November 4, 2026
Save $2,255 NZD (85%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $2,661 NZD at Michael Trio · As of November 4, 2026
View at Michael Trio

About this 1.23ct lab-grown heart diamond

This 1.23ct lab-grown heart sits in the classic one-carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG828688731 or 828688731. Listed at 20 retailers as of November 4, 2026, with prices from $406 to $2,661, a $2,255 spread on the same certified stone. Michael Trio lists it at $2,661. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828688731
Dimensions6.67 × 7.32 × 4.39 mm
L/W Ratio1.10
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.67 mm7.32 mm1.23 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828688731
Side View
Table 61.0%Crown 35.3°Girdle: STK-THKPavilion 41°Culet: NoneDepth 60.0%

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: $2,661 NZD|Low: $406 NZD|High: $2,692 NZD|Avg: $1,148 NZD|-1.2%
Michael Trio
Retailer 2
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Retailer 20
November 5, 2026
Retailer 16$406 NZD
Retailer 9$458 NZD
Retailer 19$472 NZD
Retailer 2$502 NZD
Retailer 12$513 NZD
Retailer 15$575 NZD
Retailer 18$678 NZD
Retailer 6$875 NZD
Retailer 5$914 NZD
Retailer 13$933 NZD
Retailer 8$1,068 NZD
Retailer 7$1,075 NZD
Retailer 10$1,245 NZD
Retailer 17$1,623 NZD
Retailer 3$1,629 NZD
Retailer 4$1,715 NZD
Retailer 20$1,747 NZD
Retailer 11$1,939 NZD
Retailer 14$2,017 NZD
Michael Trio$2,661 NZD

16 data points across 20 retailers

20 retailers$406 NZD to $2,661 NZD

A
Cheapest Retailer
-
$406 NZD
A
Retailer 2
-
$458 NZD
View
Final sale: no returns
A
Retailer 3
-
$472 NZD
View
A
Retailer 4
-
$502 NZD
View
Retailer 5
-
$513 NZD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$575 NZD
View
A
Retailer 7
-
$678 NZD
View
A
Retailer 8
-
$875 NZD
View
B+
Retailer 9
-
$914 NZD
View
B+
Retailer 10
-
$933 NZD
View
B+
Retailer 11
-
$1,068 NZD
View
B+
Retailer 12
-
$1,075 NZD
View
Retailer 13
-
$1,245 NZD
View
Price last confirmed 9 days ago
B+
Retailer 14
-
$1,623 NZD
View
B
Retailer 15
-
$1,629 NZD
View
B+
Retailer 16
-
$1,715 NZD
View
B+
Retailer 17
-
$1,747 NZD
View
Retailer 18
-
$1,939 NZD
View
Price last confirmed 11 days ago
B
Retailer 19
-
$2,017 NZD
View
Most Expensive
B
Michael Trio
5709104730 · Nov 4
$2,661 NZD
SGD 2,027 SGD
View
19 more retailers have this diamond
Prices start from $406 NZDSave up to $2,255 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
1.23ct Heart
$406 NZD