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Heart|Lab Grown|IGI

1.23ct D VVS2 Heart Lab Grown Diamond

EX • D/VVS2 • IGI LG656490956

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG656490956

Diamond specifications and retailer prices

From $322 AUD
As of November 4, 2026
Save $1,496 AUD (82%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,818 AUD 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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG656490956 or 656490956. Listed at 17 retailers as of November 4, 2026, with prices from $322 to $1,818, a $1,496 spread on the same certified stone. Reve Diamonds lists it at $1,818. 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
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG656490956
Dimensions6.82 × 7.31 × 4.44 mm
L/W Ratio1.07
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.82 mm7.31 mm1.23 ctD / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG656490956
Side View
Table 61.0%Crown 36.2°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: $736 AUD|Low: $309 AUD|High: $1,617 AUD|Avg: $706 AUD|+2.6%
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
November 5, 2026
Retailer 13$322 AUD
Retailer 3$373 AUD
Retailer 2$399 AUD
Retailer 4$399 AUD
Retailer 7$520 AUD
Retailer 11$539 AUD
Retailer 12$669 AUD
Retailer 9$687 AUD
Retailer 1$736 AUD
Retailer 5$743 AUD
Retailer 8$974 AUD
Retailer 10$1,015 AUD
Retailer 6$1,592 AUD

45 data points across 13 retailers

17 retailers$322 AUD to $1,818 AUD

A
Cheapest Retailer
-
$322 AUD
A
Retailer 2
-
$359 AUD
View
Final sale: no returns
A
Retailer 3
-
$373 AUD
View
A
Retailer 4
-
$399 AUD
View
Retailer 5
-
$399 AUD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$520 AUD
View
A
Retailer 7
-
$539 AUD
View
B+
Retailer 8
-
$687 AUD
View
B+
Retailer 9
-
$736 AUD
View
B+
Retailer 10
-
$743 AUD
View
B+
Retailer 11
-
$750 AUD
View
B+
Retailer 12
-
$974 AUD
View
B+
Retailer 13
-
$1,015 AUD
View
B
Retailer 14
-
$1,282 AUD
View
B
Retailer 15
-
$1,356 AUD
View
B
Retailer 16
-
$1,592 AUD
View
Most Expensive
B
Reve Diamonds
AFA36A759 · Nov 4
$1,818 AUD
$1,275 USD
View
16 more retailers have this diamond
Prices start from $322 AUDSave up to $1,496 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
$322 AUD