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Heart|Lab Grown|IGI

1.23ct D VS1 Heart Lab Grown Diamond

EX • D/VS1 • IGI LG650480412

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG650480412

Diamond specifications and retailer prices

From $459 NZD
As of November 4, 2026
Save $3,615 NZD (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,074 NZD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG650480412 or 650480412. Listed at 17 retailers as of November 4, 2026, with prices from $459 to $4,074, a $3,615 spread on the same certified stone. Do Amore Diamonds lists it at $4,074. 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
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG650480412
Dimensions6.66 × 7.52 × 4.39 mm
L/W Ratio1.13
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.66 mm7.52 mm1.23 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG650480412
Side View
Table 57.0%Crown 33.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 58.4%

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: Nov 4
Current: $1,096 NZD|Low: $439 NZD|High: $2,544 NZD|Avg: $1,205 NZD|+2.2%
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
November 5, 2026
Retailer 11$459 NZD
Retailer 5$512 NZD
Retailer 2$532 NZD
Retailer 3$567 NZD
Retailer 12$567 NZD
Retailer 10$854 NZD
Retailer 14$948 NZD
Retailer 1$1,096 NZD
Retailer 4$1,149 NZD
Retailer 8$1,539 NZD
Retailer 9$1,745 NZD
Retailer 13$2,015 NZD
Retailer 6$2,437 NZD
Retailer 7$2,505 NZD

44 data points across 14 retailers

17 retailers$459 NZD to $4,074 NZD

A
Cheapest Retailer
-
$459 NZD
A
Retailer 2
-
$512 NZD
View
Final sale: no returns
A
Retailer 3
-
$532 NZD
View
A
Retailer 4
-
$567 NZD
View
Retailer 5
-
$567 NZD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$685 NZD
View
A
Retailer 7
-
$854 NZD
View
B+
Retailer 8
-
$948 NZD
View
B+
Retailer 9
-
$1,096 NZD
View
B+
Retailer 10
-
$1,149 NZD
View
B+
Retailer 11
-
$1,539 NZD
View
B
Retailer 12
-
$1,745 NZD
View
B
Retailer 13
-
$2,015 NZD
View
B
Retailer 14
-
$2,311 NZD
View
B
Retailer 15
-
$2,444 NZD
View
B
Retailer 16
-
$2,505 NZD
View
Most Expensive
B
Do Amore Diamonds
27-C24E8FBC2 · Nov 4
$4,074 NZD
$2,290 USD
View
16 more retailers have this diamond
Prices start from $459 NZDSave up to $3,615 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
$459 NZD