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Heart|Lab Grown|IGI

1.23ct D VVS1 Heart Lab Grown Diamond

ID • D/VVS1 • IGI LG837614919

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG837614919

Diamond specifications and retailer prices

From $326 AUD
As of November 4, 2026
Save $1,812 AUD (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,138 AUD at Michael Trio · As of November 4, 2026
View at Michael Trio

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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG837614919 or 837614919. Listed at 19 retailers as of November 4, 2026, with prices from $326 to $2,138, a $1,812 spread on the same certified stone. Michael Trio lists it at $2,138. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837614919
Dimensions6.77 × 7.53 × 4.30 mm
L/W Ratio1.11
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.77 mm7.53 mm1.23 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837614919
Side View
Table 60.0%Crown 33.8°Girdle: THN-MEDPavilion 40°Culet: NoneDepth 57.1%

Caratlytics Score

How it works →
A+
Exceptional
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: $2,138 AUD|Low: $326 AUD|High: $2,147 AUD|Avg: $889 AUD|-0.4%
Michael Trio
Retailer 2
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Retailer 9
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 18
Retailer 19
November 5, 2026
Retailer 5$326 AUD
Retailer 15$365 AUD
Retailer 16$378 AUD
Retailer 19$403 AUD
Retailer 11$409 AUD
Retailer 13$459 AUD
Retailer 7$545 AUD
Retailer 6$700 AUD
Retailer 2$747 AUD
Retailer 8$857 AUD
Retailer 10$864 AUD
Retailer 4$992 AUD
Retailer 14$1,299 AUD
Retailer 18$1,303 AUD
Retailer 3$1,373 AUD
Retailer 17$1,397 AUD
Retailer 9$1,548 AUD
Retailer 12$1,614 AUD
Michael Trio$2,138 AUD

21 data points across 19 retailers

19 retailers$326 AUD to $2,138 AUD

A+
Cheapest Retailer
-
$326 AUD
A
Retailer 2
-
$365 AUD
View
Final sale: no returns
A
Retailer 3
-
$378 AUD
View
A
Retailer 4
-
$403 AUD
View
Retailer 5
-
$409 AUD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$459 AUD
View
A
Retailer 7
-
$545 AUD
View
A
Retailer 8
-
$700 AUD
View
B+
Retailer 9
-
$747 AUD
View
B+
Retailer 10
-
$857 AUD
View
B+
Retailer 11
-
$864 AUD
View
B+
Retailer 12
-
$992 AUD
View
B+
Retailer 13
-
$1,299 AUD
View
B
Retailer 14
-
$1,303 AUD
View
B+
Retailer 15
-
$1,373 AUD
View
B+
Retailer 16
-
$1,397 AUD
View
B
Retailer 17
-
$1,548 AUD
View
B
Retailer 18
-
$1,614 AUD
View
Most Expensive
B
Michael Trio
1766853901 · Nov 4
$2,138 AUD
SGD 2,027 SGD
View
18 more retailers have this diamond
Prices start from $326 AUDSave up to $1,812 AUD

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
$326 AUD