CaratHunter
Plans
Heart|Lab Grown|IGI

1.23ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG691534689

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG691534689

Diamond specifications and retailer prices

From $388 NZD
As of November 4, 2026
Save $1,838 NZD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,226 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 LG691534689 or 691534689. Listed at 19 retailers as of November 4, 2026, with prices from $388 to $2,226, a $1,838 spread on the same certified stone. Reve Diamonds lists it at $2,226. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG691534689
Dimensions6.40 × 7.47 × 4.40 mm
L/W Ratio1.17
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.40 mm7.47 mm1.23 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG691534689
Side View
Table 57.0%Crown 35.1°Girdle: MED-STKPavilion 39.3°Culet: NoneDepth 58.9%

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: $637 NZD|Low: $388 NZD|High: $2,250 NZD|Avg: $1,079 NZD|+8.8%
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
Reve Diamonds
November 5, 2026
Retailer 15$388 NZD
Retailer 17$434 NZD
Retailer 4$450 NZD
Retailer 12$480 NZD
Retailer 8$491 NZD
Retailer 1$637 NZD
Retailer 3$822 NZD
Retailer 6$847 NZD
Retailer 11$863 NZD
Retailer 13$884 NZD
Retailer 9$1,055 NZD
Retailer 5$1,199 NZD
Retailer 7$1,334 NZD
Retailer 10$1,396 NZD
Retailer 16$1,546 NZD
Retailer 2$1,551 NZD
Retailer 18$1,640 NZD
Retailer 14$1,921 NZD
Reve Diamonds$2,226 NZD

37 data points across 19 retailers

19 retailers$388 NZD to $2,226 NZD

A
Cheapest Retailer
-
$388 NZD
A
Retailer 2
-
$434 NZD
View
Final sale: no returns
A
Retailer 3
-
$450 NZD
View
A
Retailer 4
-
$480 NZD
View
Retailer 5
-
$491 NZD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$637 NZD
View
B+
Retailer 7
-
$822 NZD
View
B+
Retailer 8
-
$847 NZD
View
B+
Retailer 9
-
$863 NZD
View
B+
Retailer 10
-
$884 NZD
View
B+
Retailer 11
-
$1,055 NZD
View
B+
Retailer 12
-
$1,199 NZD
View
B
Retailer 13
-
$1,334 NZD
View
B
Retailer 14
-
$1,396 NZD
View
B
Retailer 15
-
$1,546 NZD
View
B
Retailer 16
-
$1,551 NZD
View
B
Retailer 17
-
$1,640 NZD
View
B
Retailer 18
-
$1,921 NZD
View
Most Expensive
B
Reve Diamonds
DCACDF9BD · Nov 4
$2,226 NZD
$1,251 USD
View
18 more retailers have this diamond
Prices start from $388 NZDSave up to $1,838 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
$388 NZD