Heart|Lab Grown|IGI

1.23ct D VVS1 Heart Lab Grown Diamond

VG • D/VVS1 • IGI LG799619921

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG799619921

Diamond specifications and retailer prices

From $285 AUD
As of November 4, 2026
Save $2,637 AUD (90%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,922 AUD at Do Amore Diamonds · As of November 4, 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 very-good cut grade and certified by IGI LG799619921 or 799619921. Listed at 15 retailers as of November 4, 2026, with prices from $285 to $2,922, a $2,637 spread on the same certified stone. Do Amore Diamonds lists it at $2,922. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.23
Carat
D
Colour
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle36.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799619921
Dimensions6.75 × 7.51 × 4.12 mm
L/W Ratio1.11
Girdle conditionFaceted
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
6.75 mm7.51 mm1.23 ctD / VVS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799619921
Side View
Table 59.0%Crown 37.1°Girdle: STK-THKPavilion 36.6°Culet: NoneDepth 54.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $2,922 AUD|Low: $285 AUD|High: $2,922 AUD|Avg: $911 AUD|+5.7%
Do Amore Diamonds
Retailer 2
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Retailer 12
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Retailer 20
November 5, 2026
Retailer 14$285 AUD
Retailer 16$319 AUD
Retailer 19$331 AUD
Retailer 9$376 AUD
Retailer 10$381 AUD
Retailer 13$445 AUD
Retailer 4$466 AUD
Retailer 18$483 AUD
Retailer 11$669 AUD
Retailer 7$687 AUD
Retailer 3$724 AUD
Retailer 6$858 AUD
Retailer 20$1,021 AUD
Retailer 17$1,033 AUD
Retailer 15$1,256 AUD
Retailer 12$1,284 AUD
Retailer 8$1,300 AUD
Retailer 2$1,562 AUD
Retailer 5$2,053 AUD
Do Amore Diamonds$2,922 AUD

23 data points across 20 retailers

15 retailers$285 AUD to $2,922 AUD

A
Cheapest Retailer
-
$285 AUD
A
Retailer 2
-
$319 AUD
View
Final sale: no returns
A
Retailer 3
-
$331 AUD
View
Retailer 4
-
$376 AUD
View
Price last confirmed 39 days ago
A
Retailer 5
-
$445 AUD
View
A
Retailer 6
-
$466 AUD
View
B+
Retailer 7
-
$483 AUD
View
Retailer 8
-
$669 AUD
View
Price last confirmed 40 days ago
B+
Retailer 9
-
$724 AUD
View
B
Retailer 10
-
$1,021 AUD
View
B+
Retailer 11
-
$1,033 AUD
View
B
Retailer 12
-
$1,256 AUD
View
B
Retailer 13
-
$1,562 AUD
View
Retailer 14
-
$2,053 AUD
View
Price last confirmed 13 days ago
Most Expensive
B
Do Amore Diamonds
27-A51561416 · Nov 4
$2,922 AUD
$2,050 USD
View
14 more retailers have this diamond
Prices start from $285 AUDSave up to $2,637 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