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Heart|Lab Grown|IGI

1.28ct D VVS1 Heart Lab Grown Diamond

ID • D/VVS1 • IGI LG836619671

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG836619671

Diamond specifications and retailer prices

From $354 AUD
As of November 4, 2026
Save $2,683 AUD (88%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,036 AUD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

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 LG836619671 or 836619671. Listed at 10 retailers as of November 4, 2026, with prices from $354 to $3,036, a $2,683 spread on the same certified stone. Do Amore Diamonds lists it at $3,036. 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 angle34.3°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836619671
Dimensions7.62 × 6.88 × 4.22 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
7.62 mm6.88 mm1.28 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836619671
Side View
Table 63.0%Crown 34.3°Girdle: STK-THKPavilion 38°Culet: NoneDepth 55.4%

Caratlytics Score

How it works →
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: $3,036 AUD|Low: $334 AUD|High: $3,036 AUD|Avg: $1,027 AUD|+6.0%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 4, 2026
Retailer 8$354 AUD
Retailer 2$460 AUD
Retailer 9$485 AUD
Retailer 4$502 AUD
Retailer 5$660 AUD
Retailer 6$1,058 AUD
Retailer 3$1,076 AUD
Retailer 7$1,731 AUD
Do Amore Diamonds$3,036 AUD

15 data points across 9 retailers

10 retailers$354 AUD to $3,036 AUD

A
Cheapest Retailer
-
$354 AUD
Final sale: no returns
A
Retailer 2
-
$460 AUD
View
A
Retailer 3
-
$485 AUD
View
B+
Retailer 4
-
$502 AUD
View
A
Retailer 5
-
$660 AUD
View
B+
Retailer 6
-
$1,058 AUD
View
B+
Retailer 7
-
$1,076 AUD
View
B
Retailer 8
-
$1,731 AUD
View
B
Retailer 9
-
$2,138 AUD
View
Most Expensive
B
Do Amore Diamonds
27-9760E497F · Nov 4
$3,036 AUD
$2,130 USD
View
9 more retailers have this diamond
Prices start from $354 AUDSave up to $2,683 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
$354 AUD