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Heart|Lab Grown|IGI

1.28ct D VS1 Heart Lab Grown Diamond

EX • D/VS1 • IGI LG634499915

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG634499915

Diamond specifications and retailer prices

From $328 AUD
$230 USD
As of November 2, 2026
Save $1,513 AUD (82%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,841 AUD at Reve Diamonds · As of November 1, 2026
View at Reve 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG634499915 or 634499915. Listed at 18 retailers as of November 1, 2026, with prices from $328 to $1,841, a $1,513 spread on the same certified stone. Reve Diamonds lists it at $1,841. 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
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG634499915
Dimensions6.53 × 7.65 × 4.50 mm
L/W Ratio1.17
Girdle conditionFaceted
Culet sizePointed
Top View
6.53 mm7.65 mm1.28 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG634499915
Side View
Table 58.0%Crown 35.7°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 58.8%

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 2
Current: $762 AUD|Low: $325 AUD|High: $1,841 AUD|Avg: $896 AUD|+18.9%
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
Retailer 16
Retailer 17
Retailer 18
Reve Diamonds
November 2, 2026
Retailer 18$328 AUD
Retailer 7$368 AUD
Retailer 15$381 AUD
Retailer 3$408 AUD
Retailer 4$408 AUD
Retailer 17$547 AUD
Retailer 8$691 AUD
Retailer 11$703 AUD
Retailer 6$745 AUD
Retailer 1$762 AUD
Retailer 5$862 AUD
Retailer 14$993 AUD
Retailer 12$1,113 AUD
Retailer 10$1,173 AUD
Retailer 2$1,310 AUD
Retailer 16$1,314 AUD
Retailer 9$1,384 AUD
Retailer 13$1,642 AUD
Reve Diamonds$1,841 AUD

37 data points across 19 retailers

18 retailers$328 AUD to $1,841 AUD

A
Cheapest Retailer
-
$328 AUD
$230 USD
A
Retailer 2
-
$368 AUD
$258 USD
View
Final sale: no returns
A
Retailer 3
-
$381 AUD
$267 USD
View
A
Retailer 4
-
$408 AUD
$286 USD
View
Retailer 5
-
$408 AUD
$286 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$691 AUD
$484 USD
View
B+
Retailer 7
-
$703 AUD
ZAR 7,963 ZAR
View
B+
Retailer 8
-
$745 AUD
$522 USD
View
B+
Retailer 9
-
$762 AUD
£421 GBP
View
B+
Retailer 10
-
$862 AUD
$604 USD
View
B+
Retailer 11
-
$993 AUD
View
B+
Retailer 12
-
$1,113 AUD
$780 USD
View
B
Retailer 13
-
$1,173 AUD
$822 USD
View
B
Retailer 14
-
$1,310 AUD
$918 USD
View
B
Retailer 15
-
$1,314 AUD
$921 USD
View
B
Retailer 16
-
$1,384 AUD
$970 USD
View
B
Retailer 17
-
$1,642 AUD
£906 GBP
View
Most Expensive
B
Reve Diamonds
61657278E · Nov 1
$1,841 AUD
$1,290 USD
View
17 more retailers have this diamond
Prices start from $328 AUDSave up to $1,513 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
$328 AUD