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Heart|Lab Grown|IGI

1.23ct D VS1 Heart Lab Grown Diamond

ID • D/VS1 • IGI LG835610703

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG835610703

Diamond specifications and retailer prices

From $315 NZD
As of November 4, 2026
Save $1,676 NZD (84%) vs most expensive(unlock to see where)
20 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 LG835610703 or 835610703. Listed at 20 retailers as of November 4, 2026, with prices from $315 to $1,990, a $1,676 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 angle32.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835610703
Dimensions6.71 × 7.36 × 4.36 mm
L/W Ratio1.10
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.71 mm7.36 mm1.23 ctD / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG835610703
Side View
Table 64.0%Crown 32.8°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 59.2%

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: $516 NZD|Low: $315 NZD|High: $2,384 NZD|Avg: $971 NZD|-2.0%
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 15$315 NZD
Retailer 17$350 NZD
Retailer 3$365 NZD
Retailer 4$390 NZD
Retailer 7$432 NZD
Retailer 1$516 NZD
Retailer 6$646 NZD
Retailer 10$665 NZD
Retailer 2$690 NZD
Retailer 13$692 NZD
Retailer 11$836 NZD
Retailer 12$836 NZD
Retailer 16$1,252 NZD
Retailer 8$1,270 NZD
Retailer 9$1,291 NZD
Retailer 19$1,324 NZD
Retailer 5$1,334 NZD
Retailer 18$1,348 NZD
Retailer 14$1,816 NZD
Reve Diamonds$1,990 NZD

31 data points across 20 retailers

20 retailers$315 NZD to $1,990 NZD

A
Cheapest Retailer
-
$315 NZD
A
Retailer 2
-
$350 NZD
View
Final sale: no returns
A
Retailer 3
-
$365 NZD
View
A
Retailer 4
-
$390 NZD
View
A
Retailer 5
-
$432 NZD
View
A
Retailer 6
-
$516 NZD
View
A
Retailer 7
-
$646 NZD
View
Retailer 8
-
$665 NZD
View
Price last confirmed 13 days ago
B+
Retailer 9
-
$690 NZD
View
A
Retailer 10
-
$692 NZD
View
B+
Retailer 11
-
$836 NZD
View
Retailer 12
-
$836 NZD
View
Price last confirmed 10 days ago
B
Retailer 13
-
$1,252 NZD
View
B
Retailer 14
-
$1,270 NZD
View
B
Retailer 15
-
$1,291 NZD
View
B
Retailer 16
-
$1,324 NZD
View
B
Retailer 17
-
$1,334 NZD
View
B
Retailer 18
-
$1,348 NZD
View
B
Retailer 19
-
$1,816 NZD
View
Most Expensive
B
Reve Diamonds
F4DEAE15A · Nov 4
$1,990 NZD
$1,119 USD
View
19 more retailers have this diamond
Prices start from $315 NZDSave up to $1,676 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
$315 NZD