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Heart|Lab Grown|IGI

1.28ct G VS1 Heart Lab Grown Diamond

EX • G/VS1 • IGI LG654469560

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG654469560

Diamond specifications and retailer prices

From $366 NZD
As of November 4, 2026
Save $3,138 NZD (90%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $3,504 NZD at Do Amore Diamonds · As of November 2, 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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG654469560 or 654469560. Listed at 9 retailers as of November 2, 2026, with prices from $366 to $3,504, a $3,138 spread on the same certified stone. Do Amore Diamonds lists it at $3,504. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG654469560
Dimensions6.72 × 7.43 × 4.44 mm
L/W Ratio1.11
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.72 mm7.43 mm1.28 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG654469560
Side View
Table 58.0%Crown 37.1°Girdle: MED-STKPavilion 39.6°Culet: NoneDepth 59.8%

Caratlytics Score

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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: $3,504 NZD|Low: $366 NZD|High: $3,700 NZD|Avg: $1,406 NZD|-5.3%
Do Amore Diamonds
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
October 29, 2026
Retailer 12$366 NZD
Retailer 10$425 NZD
Retailer 15$430 NZD
Retailer 14$786 NZD
Retailer 7$788 NZD
Retailer 4$836 NZD
Retailer 6$989 NZD
Retailer 5$1,046 NZD
Retailer 9$1,222 NZD
Retailer 8$1,418 NZD
Retailer 11$1,464 NZD
Retailer 13$1,610 NZD
Retailer 3$1,982 NZD
Retailer 2$2,017 NZD
Retailer 16$2,455 NZD
Do Amore Diamonds$3,504 NZD

20 data points across 16 retailers

9 retailers$366 NZD to $3,504 NZD

A
Cheapest Retailer
-
$366 NZD
A
Retailer 2
-
$425 NZD
View
A
Retailer 3
-
$430 NZD
View
Final sale: no returns
A
Retailer 4
-
$786 NZD
View
Retailer 5
-
$1,222 NZD
View
Price last confirmed 10 days ago
B
Retailer 6
-
$1,464 NZD
View
B
Retailer 7
-
$1,610 NZD
View
Retailer 8
-
$2,017 NZD
View
Price last confirmed 8 days ago
Most Expensive
B
Do Amore Diamonds
27-D16B922E7 · Nov 2
$3,504 NZD
$1,970 USD
View
8 more retailers have this diamond
Prices start from $366 NZDSave up to $3,138 NZD

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
$366 NZD