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Heart|Lab Grown|IGI

1.23ct D VVS1 Heart Lab Grown Diamond

ID • D/VVS1 • IGI LG836616616

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG836616616

Diamond specifications and retailer prices

From $376 NZD
As of November 4, 2026
Save $1,219 NZD (76%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,881 NZD at MOH London · As of October 29, 2026
View at MOH London

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 LG836616616 or 836616616. Listed at 17 retailers as of November 4, 2026, with a 324% 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

1.23
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836616616
Dimensions6.67 × 7.51 × 4.08 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
6.67 mm7.51 mm1.23 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836616616
Side View
Table 61.0%Crown 35.3°Girdle: MED-THKPavilion 35.4°Culet: NoneDepth 54.3%

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: $1,881 NZD|Low: $376 NZD|High: $1,881 NZD|Avg: $1,017 NZD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 17
November 5, 2026
Retailer 5$376 NZD
Retailer 6$422 NZD
Retailer 3$436 NZD
Retailer 14$467 NZD
Retailer 10$530 NZD
Retailer 17$804 NZD
Retailer 12$805 NZD
Retailer 2$855 NZD
Retailer 15$899 NZD
Retailer 4$1,066 NZD
Retailer 11$1,141 NZD
Retailer 16$1,501 NZD
Retailer 13$1,506 NZD
Retailer 7$1,515 NZD
Retailer 8$1,595 NZD
Retailer 9$1,595 NZD
MOH London$1,881 NZD

11 data points across 17 retailers

17 retailers$376 NZD to $1,595 NZD

A
Cheapest Retailer
-
$376 NZD
A
Retailer 2
-
$422 NZD
View
Final sale: no returns
A
Retailer 3
-
$436 NZD
View
A
Retailer 4
-
$467 NZD
View
A
Retailer 5
-
$530 NZD
View
A
Retailer 6
-
$804 NZD
View
A
Retailer 7
-
$805 NZD
View
A
Retailer 8
-
$855 NZD
View
B+
Retailer 9
-
$899 NZD
View
B+
Retailer 10
-
$1,066 NZD
View
B+
Retailer 11
-
$1,141 NZD
View
B
Retailer 12
-
$1,501 NZD
View
B
Retailer 13
-
$1,506 NZD
View
B
Retailer 14
-
$1,515 NZD
View
B
Retailer 15
-
$1,595 NZD
View
B
Retailer 16
-
$1,595 NZD
View
Most Expensive
MOH London
LG836616616 · Oct 29
$1,881 NZD
£835 GBP
View
Price last confirmed 7 days ago
16 more retailers have this diamond
Prices start from $376 NZDSave up to $1,219 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
$376 NZD