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Heart|Lab Grown|IGI

1.23ct D VVS1 Heart Lab Grown Diamond

ID • D/VVS1 • IGI LG728559284

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG728559284

Diamond specifications and retailer prices

From $285 AUD
As of November 4, 2026
Save $2,452 AUD (90%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,737 AUD at Do Amore Diamonds · As of November 3, 2026
View at Do Amore 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG728559284 or 728559284. Listed at 13 retailers as of November 3, 2026, with prices from $285 to $2,737, a $2,452 spread on the same certified stone. Do Amore Diamonds lists it at $2,737. 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 angle37°
OriginLab Grown
Grading LabIGI
CertificateIGI LG728559284
Dimensions7.51 × 6.91 × 4.16 mm
L/W Ratio1.09
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
7.51 mm6.91 mm1.23 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG728559284
Side View
Table 63.0%Crown 35.3°Girdle: MED-STKPavilion 37°Culet: NoneDepth 55.4%

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: $2,737 AUD|Low: $285 AUD|High: $3,065 AUD|Avg: $1,090 AUD|-10.7%
Do Amore Diamonds
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
November 5, 2026
Retailer 12$285 AUD
Retailer 15$319 AUD
Retailer 16$331 AUD
Retailer 4$428 AUD
Retailer 3$483 AUD
Retailer 11$640 AUD
Retailer 13$704 AUD
Retailer 7$770 AUD
Retailer 8$867 AUD
Retailer 9$955 AUD
Retailer 10$1,033 AUD
Retailer 14$1,256 AUD
Retailer 2$1,562 AUD
Retailer 6$1,846 AUD
Retailer 5$2,053 AUD
Do Amore Diamonds$2,737 AUD

29 data points across 16 retailers

13 retailers$285 AUD to $2,737 AUD

A
Cheapest Retailer
-
$285 AUD
A
Retailer 2
-
$319 AUD
View
Final sale: no returns
A
Retailer 3
-
$331 AUD
View
A
Retailer 4
-
$428 AUD
View
B+
Retailer 5
-
$483 AUD
View
A
Retailer 6
-
$640 AUD
View
B+
Retailer 7
-
$704 AUD
View
B+
Retailer 8
-
$955 AUD
View
B+
Retailer 9
-
$1,033 AUD
View
B+
Retailer 10
-
$1,256 AUD
View
B+
Retailer 11
-
$1,562 AUD
View
B
Retailer 12
-
$2,053 AUD
View
Most Expensive
B
Do Amore Diamonds
27-64E991385 · Nov 3
$2,737 AUD
$1,920 USD
View
12 more retailers have this diamond
Prices start from $285 AUDSave up to $2,452 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
$285 AUD