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Heart|Lab Grown|IGI

1.25ct D VVS1 Heart Lab Grown Diamond

ID • D/VVS1 • IGI LG828688730

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG828688730

Diamond specifications and retailer prices

From $373 AUD
As of November 4, 2026
Save $1,780 AUD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,381 AUD at Brilliant Earth · As of October 10, 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 LG828688730 or 828688730. Listed at 16 retailers as of November 4, 2026, with a 477% 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 angle35.1°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828688730
Dimensions7.08 × 7.45 × 4.18 mm
L/W Ratio1.05
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.08 mm7.45 mm1.25 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828688730
Side View
Table 61.0%Crown 35.1°Girdle: MED-STKPavilion 39.2°Culet: NoneDepth 56.1%

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: $2,154 AUD|Low: $373 AUD|High: $2,188 AUD|Avg: $1,052 AUD|-1.6%
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
Retailer 14
Retailer 15
November 5, 2026
Retailer 5$373 AUD
Retailer 10$468 AUD
Retailer 4$556 AUD
Retailer 15$713 AUD
Retailer 11$746 AUD
Retailer 8$768 AUD
Retailer 3$864 AUD
Retailer 2$890 AUD
Retailer 7$1,015 AUD
Retailer 13$1,327 AUD
Retailer 14$1,397 AUD
Retailer 12$1,427 AUD
Retailer 6$1,569 AUD
Retailer 9$1,644 AUD
Retailer 1$2,154 AUD

20 data points across 15 retailers

16 retailers$373 AUD to $2,154 AUD

A
Cheapest Retailer
-
$373 AUD
Final sale: no returns
A
Retailer 2
-
$468 AUD
View
A
Retailer 3
-
$556 AUD
View
A
Retailer 4
-
$713 AUD
View
B+
Retailer 5
-
$746 AUD
View
B+
Retailer 6
-
$768 AUD
View
B+
Retailer 7
-
$864 AUD
View
B+
Retailer 8
-
$890 AUD
View
Retailer 9
-
$1,015 AUD
View
Price last confirmed 9 days ago
B
Retailer 10
-
$1,327 AUD
View
B+
Retailer 11
-
$1,397 AUD
View
B+
Retailer 12
-
$1,427 AUD
View
B+
Retailer 13
-
$1,569 AUD
View
B
Retailer 14
-
$1,644 AUD
View
B
Retailer 15
-
$2,154 AUD
View
Most Expensive
Brilliant Earth
21324997A · Oct 10
$2,381 AUD
$1,670 USD
View
Price last confirmed 25 days ago
15 more retailers have this diamond
Prices start from $373 AUDSave up to $1,780 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
$373 AUD