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Heart|Lab Grown|IGI

1.28ct D VVS1 Heart Lab Grown Diamond

ID • D/VVS1 • IGI LG839670664

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG839670664

Diamond specifications and retailer prices

From $228 USD
As of November 2, 2026
Save $1,267 USD (85%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,495 USD at Michael Trio · As of November 2, 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 LG839670664 or 839670664. Listed at 20 retailers as of November 2, 2026, with prices from $228 to $1,495, a $1,267 spread on the same certified stone. Michael Trio lists it at $1,495. 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
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839670664
Dimensions6.79 × 7.32 × 4.35 mm
L/W Ratio1.08
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.79 mm7.32 mm1.28 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839670664
Side View
Table 60.0%Crown 35.7°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 59.4%

Caratlytics Score

How it works →
A+
Exceptional
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 2
Current: $1,495 USD|Low: $228 USD|High: $1,512 USD|Avg: $625 USD|-1.1%
Michael Trio
Retailer 2
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Retailer 19
November 3, 2026
Retailer 19$228 USD
Retailer 7$256 USD
Retailer 4$265 USD
Retailer 2$283 USD
Retailer 11$286 USD
Retailer 3$323 USD
Retailer 9$382 USD
Retailer 18$455 USD
Retailer 5$490 USD
Retailer 13$528 USD
Retailer 8$602 USD
Retailer 10$649 USD
Retailer 14$692 USD
Retailer 17$912 USD
Retailer 6$913 USD
Retailer 12$961 USD
Retailer 15$978 USD
Retailer 16$1,133 USD
Michael Trio$1,495 USD

17 data points across 19 retailers

20 retailers$228 USD to $1,495 USD

A+
Cheapest Retailer
-
$228 USD
A
Retailer 2
-
$256 USD
View
Final sale: no returns
A
Retailer 3
-
$265 USD
View
A
Retailer 4
-
$283 USD
View
Retailer 5
-
$286 USD
View
Price last confirmed 9 days ago
A
Retailer 6
-
$323 USD
£254 GBP
View
B+
Retailer 7
-
$382 USD
View
A
Retailer 8
-
$455 USD
€433 EUR
View
A
Retailer 9
-
$490 USD
ZAR 7,920 ZAR
View
A
Retailer 10
-
$528 USD
£416 GBP
View
B+
Retailer 11
-
$602 USD
View
B+
Retailer 12
-
$649 USD
View
B+
Retailer 13
-
$692 USD
A$1,064 AUD
View
B+
Retailer 14
-
$912 USD
View
B+
Retailer 15
-
$913 USD
View
B+
Retailer 16
-
$961 USD
View
B+
Retailer 17
-
$978 USD
View
B
Retailer 18
-
$1,133 USD
£892 GBP
View
Retailer 19
-
$1,144 USD
A$1,760 AUD
View
Price last confirmed 25 days ago
Most Expensive
B
Michael Trio
6512483400 · Nov 2
$1,495 USD
SGD 2,020 SGD
View
19 more retailers have this diamond
Prices start from $228 USDSave up to $1,267 USD

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
$228 USD