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Heart|Lab Grown|IGI

1.25ct D VVS1 Heart Lab Grown Diamond

ID • D/VVS1 • IGI LG837672530

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG837672530

Diamond specifications and retailer prices

From $331 AUD
As of November 4, 2026
Save $1,823 AUD (85%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,480 AUD at Brilliant Earth · As of October 18, 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 LG837672530 or 837672530. Listed at 21 retailers as of November 4, 2026, with a 551% 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 angle34.9°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837672530
Dimensions7.06 × 7.48 × 4.21 mm
L/W Ratio1.06
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.06 mm7.48 mm1.25 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837672530
Side View
Table 61.0%Crown 34.9°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 56.3%

Caratlytics Score

How it works →
A+
Exceptional
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: $2,480 AUD|Low: $331 AUD|High: $2,480 AUD|Avg: $985 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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 5, 2026
Retailer 14$331 AUD
Retailer 16$371 AUD
Retailer 18$383 AUD
Retailer 4$409 AUD
Retailer 12$415 AUD
Retailer 13$466 AUD
Retailer 17$553 AUD
Retailer 19$656 AUD
Retailer 7$710 AUD
Retailer 2$764 AUD
Retailer 9$862 AUD
Retailer 10$890 AUD
Retailer 11$1,011 AUD
Retailer 15$1,317 AUD
Retailer 3$1,321 AUD
Retailer 5$1,391 AUD
Retailer 20$1,420 AUD
Retailer 8$1,648 AUD
Retailer 6$2,154 AUD
Brilliant Earth$2,480 AUD

21 data points across 20 retailers

21 retailers$331 AUD to $2,154 AUD

A+
Cheapest Retailer
-
$331 AUD
A
Retailer 2
-
$371 AUD
View
Final sale: no returns
A
Retailer 3
-
$383 AUD
View
A
Retailer 4
-
$409 AUD
View
Retailer 5
-
$415 AUD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$466 AUD
View
A
Retailer 7
-
$553 AUD
View
A
Retailer 8
-
$656 AUD
View
A
Retailer 9
-
$710 AUD
View
B+
Retailer 10
-
$764 AUD
View
B+
Retailer 11
-
$862 AUD
View
B+
Retailer 12
-
$890 AUD
View
Retailer 13
-
$1,011 AUD
View
Price last confirmed 9 days ago
B+
Retailer 14
-
$1,317 AUD
View
B
Retailer 15
-
$1,321 AUD
View
B+
Retailer 16
-
$1,391 AUD
View
B+
Retailer 17
-
$1,420 AUD
View
Retailer 18
-
$1,599 AUD
View
Price last confirmed 31 days ago
B
Retailer 19
-
$1,648 AUD
View
B
Retailer 20
-
$2,154 AUD
View
Most Expensive
Brilliant Earth
21558979A · Oct 18
$2,480 AUD
$1,740 USD
View
Price last confirmed 17 days ago
20 more retailers have this diamond
Prices start from $331 AUDSave up to $1,823 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
$331 AUD