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Heart|Lab Grown|IGI

1.23ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG813625553

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG813625553

Diamond specifications and retailer prices

From $350 NZD
As of November 4, 2026
Save $1,640 NZD (82%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,990 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 LG813625553 or 813625553. Listed at 21 retailers as of November 4, 2026, with prices from $350 to $1,990, a $1,640 spread on the same certified stone. Reve Diamonds lists it at $1,990. 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
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle37.3°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813625553
Dimensions7.10 × 6.78 × 4.38 mm
L/W Ratio1.05
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.10 mm6.78 mm1.23 ctD / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG813625553
Side View
Table 60.0%Crown 37.3°Girdle: STK-THKPavilion 41.3°Culet: NoneDepth 61.7%

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: $836 NZD|Low: $350 NZD|High: $2,384 NZD|Avg: $1,072 NZD|-0.6%
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
Reve Diamonds
November 5, 2026
Retailer 8$350 NZD
Retailer 2$432 NZD
Retailer 14$646 NZD
Retailer 5$678 NZD
Retailer 11$690 NZD
Retailer 7$692 NZD
Retailer 1$836 NZD
Retailer 6$843 NZD
Retailer 3$1,270 NZD
Retailer 13$1,291 NZD
Retailer 10$1,324 NZD
Retailer 9$1,348 NZD
Retailer 12$1,494 NZD
Retailer 4$1,880 NZD
Reve Diamonds$1,990 NZD

40 data points across 15 retailers

21 retailers$350 NZD to $1,990 NZD

Retailer 1
-
$324 NZD
Price last confirmed 19 days ago
A
Retailer 2
-
$350 NZD
View
Final sale: no returns
Retailer 3
-
$375 NZD
View
Price last confirmed 21 days ago
Retailer 4
-
$402 NZD
View
Price last confirmed 24 days ago
A
Retailer 5
-
$432 NZD
View
A
Retailer 6
-
$646 NZD
View
Retailer 7
-
$678 NZD
View
Price last confirmed 13 days ago
B+
Retailer 8
-
$690 NZD
View
A
Retailer 9
-
$692 NZD
View
B+
Retailer 10
-
$836 NZD
View
Retailer 11
-
$843 NZD
View
Price last confirmed 10 days ago
B+
Retailer 12
-
$991 NZD
View
B+
Retailer 13
-
$1,270 NZD
View
B
Retailer 14
-
$1,291 NZD
View
Retailer 15
-
$1,291 NZD
View
Price last confirmed 20 days ago
B
Retailer 16
-
$1,324 NZD
View
B
Retailer 17
-
$1,334 NZD
View
B
Retailer 18
-
$1,348 NZD
View
B
Retailer 19
-
$1,494 NZD
View
Retailer 20
-
$1,880 NZD
View
Price last confirmed 11 days ago
Most Expensive
B
Reve Diamonds
68F0DAAE4 · Nov 4
$1,990 NZD
$1,119 USD
View
20 more retailers have this diamond
Prices start from $350 NZDSave up to $1,640 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
$350 NZD