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Heart|Lab Grown|IGI

1.28ct D VVS1 Heart Lab Grown Diamond

ID • D/VVS1 • IGI LG836606964

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG836606964

Diamond specifications and retailer prices

From $379 AUD
As of November 4, 2026
Save $1,801 AUD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,180 AUD at Michael Trio · As of November 5, 2026
View at Michael Trio

About this 1.28ct lab-grown heart diamond

This 1.28ct 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 LG836606964 or 836606964. Listed at 13 retailers as of November 4, 2026, with prices from $379 to $2,180, a $1,801 spread on the same certified stone. Michael Trio lists it at $2,180. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836606964
Dimensions7.50 × 6.70 × 4.38 mm
L/W Ratio1.12
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.50 mm6.70 mm1.28 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836606964
Side View
Table 61.0%Crown 36.3°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 58.4%

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: $2,180 AUD|Low: $379 AUD|High: $2,213 AUD|Avg: $1,088 AUD|-1.5%
Michael Trio
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 5, 2026
Retailer 8$379 AUD
Retailer 7$478 AUD
Retailer 9$567 AUD
Retailer 4$727 AUD
Retailer 2$781 AUD
Retailer 11$928 AUD
Retailer 3$1,029 AUD
Retailer 12$1,356 AUD
Retailer 13$1,424 AUD
Retailer 10$1,461 AUD
Retailer 5$1,609 AUD
Retailer 6$1,679 AUD
Michael Trio$2,180 AUD

24 data points across 13 retailers

13 retailers$379 AUD to $2,180 AUD

A
Cheapest Retailer
-
$379 AUD
Final sale: no returns
A
Retailer 2
-
$478 AUD
View
A
Retailer 3
-
$567 AUD
View
A
Retailer 4
-
$727 AUD
View
B+
Retailer 5
-
$781 AUD
View
B+
Retailer 6
-
$928 AUD
View
B+
Retailer 7
-
$1,029 AUD
View
B
Retailer 8
-
$1,356 AUD
View
B+
Retailer 9
-
$1,424 AUD
View
B+
Retailer 10
-
$1,461 AUD
View
B
Retailer 11
-
$1,609 AUD
View
B
Retailer 12
-
$1,679 AUD
View
Most Expensive
B
Michael Trio
1774063098 · Nov 5
$2,180 AUD
SGD 2,067 SGD
View
12 more retailers have this diamond
Prices start from $379 AUDSave up to $1,801 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
1.28ct Heart
$379 AUD