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Heart|Lab Grown|IGI

1.23ct D VS1 Heart Lab Grown Diamond

EX • D/VS1 • IGI LG791637215

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG791637215

Diamond specifications and retailer prices

From $343 NZD
As of November 4, 2026
Save $1,742 NZD (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,085 NZD at Reve Diamonds · As of November 4, 2026
View at Reve 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 LG791637215 or 791637215. Listed at 19 retailers as of November 4, 2026, with prices from $343 to $2,085, a $1,742 spread on the same certified stone. Reve Diamonds lists it at $2,085. 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 angle35.3°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG791637215
Dimensions7.13 × 7.12 × 4.30 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.13 mm7.12 mm1.23 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG791637215
Side View
Table 58.0%Crown 35.3°Girdle: MED-THKPavilion 39.8°Culet: NoneDepth 60.4%

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: $566 NZD|Low: $343 NZD|High: $2,473 NZD|Avg: $1,046 NZD|-3.6%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Reve Diamonds
November 5, 2026
Retailer 16$343 NZD
Retailer 19$384 NZD
Retailer 5$398 NZD
Retailer 13$427 NZD
Retailer 9$434 NZD
Retailer 1$566 NZD
Retailer 4$745 NZD
Retailer 7$749 NZD
Retailer 8$758 NZD
Retailer 14$768 NZD
Retailer 12$847 NZD
Retailer 10$1,005 NZD
Retailer 18$1,058 NZD
Retailer 6$1,060 NZD
Retailer 17$1,370 NZD
Retailer 3$1,375 NZD
Retailer 2$1,466 NZD
Retailer 15$1,987 NZD
Reve Diamonds$2,085 NZD
Retailer 11$2,473 NZD

29 data points across 20 retailers

19 retailers$343 NZD to $2,085 NZD

A
Cheapest Retailer
-
$343 NZD
A
Retailer 2
-
$384 NZD
View
Final sale: no returns
A
Retailer 3
-
$398 NZD
View
A
Retailer 4
-
$427 NZD
View
Retailer 5
-
$434 NZD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$566 NZD
View
A
Retailer 7
-
$745 NZD
View
A
Retailer 8
-
$749 NZD
View
A
Retailer 9
-
$758 NZD
View
A
Retailer 10
-
$768 NZD
View
B+
Retailer 11
-
$847 NZD
View
B+
Retailer 12
-
$1,005 NZD
View
B+
Retailer 13
-
$1,058 NZD
View
B+
Retailer 14
-
$1,060 NZD
View
B
Retailer 15
-
$1,370 NZD
View
B
Retailer 16
-
$1,375 NZD
View
B
Retailer 17
-
$1,466 NZD
View
B
Retailer 18
-
$1,987 NZD
View
Most Expensive
B
Reve Diamonds
0D06138E5 · Nov 4
$2,085 NZD
$1,172 USD
View
18 more retailers have this diamond
Prices start from $343 NZDSave up to $1,742 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
$343 NZD