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Heart|Lab Grown|IGI

1.25ct D VVS1 Heart Lab Grown Diamond

ID • D/VVS1 • IGI LG839670680

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG839670680

Diamond specifications and retailer prices

From $318 AUD
As of November 4, 2026
Save $1,788 AUD (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,409 AUD at Brilliant Earth · As of October 21, 2026
View at Brilliant Earth

About this 1.25ct lab-grown heart diamond

This 1.25ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG839670680 or 839670680. Listed at 17 retailers as of November 4, 2026, with a 562% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839670680
Dimensions6.97 × 7.26 × 4.42 mm
L/W Ratio1.04
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.97 mm7.26 mm1.25 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839670680
Side View
Table 61.0%Crown 37°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 60.9%

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: $2,409 AUD|Low: $318 AUD|High: $2,409 AUD|Avg: $998 AUD
Brilliant Earth
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 4$318 AUD
Retailer 11$356 AUD
Retailer 8$399 AUD
Retailer 9$449 AUD
Retailer 10$530 AUD
Retailer 3$637 AUD
Retailer 6$684 AUD
Retailer 2$727 AUD
Retailer 7$885 AUD
Retailer 15$965 AUD
Retailer 16$1,273 AUD
Retailer 12$1,343 AUD
Retailer 13$1,361 AUD
Retailer 14$1,581 AUD
Retailer 5$2,105 AUD
Brilliant Earth$2,409 AUD

20 data points across 16 retailers

17 retailers$318 AUD to $2,105 AUD

A
Cheapest Retailer
-
$318 AUD
A
Retailer 2
-
$356 AUD
View
Final sale: no returns
Retailer 3
-
$399 AUD
View
Price last confirmed 11 days ago
A
Retailer 4
-
$449 AUD
View
B+
Retailer 5
-
$530 AUD
View
A
Retailer 6
-
$637 AUD
View
A
Retailer 7
-
$684 AUD
View
A
Retailer 8
-
$727 AUD
View
B+
Retailer 9
-
$885 AUD
View
B+
Retailer 10
-
$965 AUD
View
B
Retailer 11
-
$1,273 AUD
View
B+
Retailer 12
-
$1,343 AUD
View
B+
Retailer 13
-
$1,361 AUD
View
B+
Retailer 14
-
$1,581 AUD
View
Retailer 15
-
$1,589 AUD
View
Price last confirmed 33 days ago
B
Retailer 16
-
$2,105 AUD
View
Most Expensive
Brilliant Earth
21798597A · Oct 21
$2,409 AUD
$1,690 USD
View
Price last confirmed 14 days ago
16 more retailers have this diamond
Prices start from $318 AUDSave up to $1,788 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
1.25ct Heart
$318 AUD