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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 €202 EUR
As of November 4, 2026
Save €1,124 EUR (85%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €1,327 EUR at Michael Trio · As of November 4, 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 4, 2026, with prices from €202 to €1,327, a €1,124 spread on the same certified stone. Michael Trio lists it at €1,327. 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 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: €1,327 EUR|Low: €202 EUR|High: €1,342 EUR|Avg: €562 EUR|-1.1%
Michael Trio
Retailer 2
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Retailer 19
November 5, 2026
Retailer 6€202 EUR
Retailer 15€226 EUR
Retailer 7€235 EUR
Retailer 17€251 EUR
Retailer 11€254 EUR
Retailer 13€285 EUR
Retailer 16€337 EUR
Retailer 5€403 EUR
Retailer 8€435 EUR
Retailer 2€464 EUR
Retailer 9€534 EUR
Retailer 10€576 EUR
Retailer 19€613 EUR
Retailer 14€807 EUR
Retailer 4€809 EUR
Retailer 18€853 EUR
Retailer 3€868 EUR
Retailer 12€1,003 EUR
Michael Trio€1,327 EUR

18 data points across 19 retailers

20 retailers€202 EUR to €1,327 EUR

A+
Cheapest Retailer
-
€202 EUR
A
Retailer 2
-
€226 EUR
View
Final sale: no returns
A
Retailer 3
-
€235 EUR
View
A
Retailer 4
-
€251 EUR
View
Retailer 5
-
€254 EUR
View
Price last confirmed 11 days ago
A
Retailer 6
-
€285 EUR
View
B+
Retailer 7
-
€337 EUR
View
A
Retailer 8
-
€403 EUR
View
A
Retailer 9
-
€435 EUR
View
A
Retailer 10
-
€464 EUR
View
B+
Retailer 11
-
€534 EUR
View
B+
Retailer 12
-
€576 EUR
View
B+
Retailer 13
-
€613 EUR
View
B+
Retailer 14
-
€807 EUR
View
B+
Retailer 15
-
€809 EUR
View
B+
Retailer 16
-
€853 EUR
View
B+
Retailer 17
-
€868 EUR
View
B+
Retailer 18
-
€1,003 EUR
View
Retailer 19
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€1,015 EUR
View
Price last confirmed 28 days ago
Most Expensive
B
Michael Trio
6512483400 · Nov 4
€1,327 EUR
SGD 2,020 SGD
View
19 more retailers have this diamond
Prices start from €202 EURSave up to €1,124 EUR

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
€202 EUR