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Heart|Lab Grown|IGI

1.23ct D VVS1 Heart Lab Grown Diamond

ID • D/VVS1 • IGI LG828688731

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG828688731

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)
20 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 LG828688731 or 828688731. Listed at 20 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 angle35.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828688731
Dimensions6.67 × 7.32 × 4.39 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
6.67 mm7.32 mm1.23 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828688731
Side View
Table 61.0%Crown 35.3°Girdle: STK-THKPavilion 41°Culet: NoneDepth 60.0%

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: $2,138 AUD|Low: $326 AUD|High: $2,164 AUD|Avg: $919 AUD|-1.2%
Michael Trio
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
Retailer 20
November 5, 2026
Retailer 15$326 AUD
Retailer 9$368 AUD
Retailer 18$379 AUD
Retailer 3$406 AUD
Retailer 12$412 AUD
Retailer 14$462 AUD
Retailer 17$545 AUD
Retailer 6$703 AUD
Retailer 5$734 AUD
Retailer 2$750 AUD
Retailer 8$858 AUD
Retailer 7$864 AUD
Retailer 10$1,001 AUD
Retailer 16$1,304 AUD
Retailer 20$1,309 AUD
Retailer 4$1,378 AUD
Retailer 19$1,404 AUD
Retailer 11$1,558 AUD
Retailer 13$1,621 AUD
Michael Trio$2,138 AUD

16 data points across 20 retailers

20 retailers$326 AUD to $2,138 AUD

A
Cheapest Retailer
-
$326 AUD
A
Retailer 2
-
$368 AUD
View
Final sale: no returns
A
Retailer 3
-
$379 AUD
View
A
Retailer 4
-
$406 AUD
View
Retailer 5
-
$412 AUD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$462 AUD
View
A
Retailer 7
-
$545 AUD
View
A
Retailer 8
-
$703 AUD
View
B+
Retailer 9
-
$734 AUD
View
B+
Retailer 10
-
$750 AUD
View
B+
Retailer 11
-
$858 AUD
View
B+
Retailer 12
-
$864 AUD
View
Retailer 13
-
$1,001 AUD
View
Price last confirmed 9 days ago
B+
Retailer 14
-
$1,304 AUD
View
B
Retailer 15
-
$1,309 AUD
View
B+
Retailer 16
-
$1,378 AUD
View
B+
Retailer 17
-
$1,404 AUD
View
Retailer 18
-
$1,558 AUD
View
Price last confirmed 11 days ago
B
Retailer 19
-
$1,621 AUD
View
Most Expensive
B
Michael Trio
5709104730 · Nov 4
$2,138 AUD
SGD 2,027 SGD
View
19 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