Heart|Lab Grown|IGI

1.28ct D VVS1 Heart Lab Grown Diamond

EX • D/VVS1 • IGI LG823652322

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG823652322

Diamond specifications and retailer prices

From €233 EUR
As of November 4, 2026
Save €1,114 EUR (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €1,651 EUR at Brilliant Earth · As of October 16, 2026
View at Brilliant Earth

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 LG823652322 or 823652322. Listed at 14 retailers as of November 4, 2026, with a 479% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG823652322
Dimensions6.86 × 7.26 × 4.38 mm
L/W Ratio1.06
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.86 mm7.26 mm1.28 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG823652322
Side View
Table 59.0%Crown 36.8°Girdle: STK-THKPavilion 39.8°Culet: NoneDepth 60.3%

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: €1,651 EUR|Low: €233 EUR|High: €1,651 EUR|Avg: €769 EUR
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 5, 2026
Retailer 11€233 EUR
Retailer 9€348 EUR
Retailer 3€447 EUR
Retailer 13€470 EUR
Retailer 2€481 EUR
Retailer 5€577 EUR
Retailer 12€633 EUR
Retailer 8€830 EUR
Retailer 7€873 EUR
Retailer 6€893 EUR
Retailer 4€1,038 EUR
Retailer 10€1,346 EUR
Brilliant Earth€1,651 EUR

24 data points across 13 retailers

14 retailers€233 EUR to €1,346 EUR

A
Cheapest Retailer
-
€233 EUR
Final sale: no returns
A
Retailer 2
-
€348 EUR
View
A
Retailer 3
-
€447 EUR
View
B+
Retailer 4
-
€470 EUR
View
B+
Retailer 5
-
€481 EUR
View
B+
Retailer 6
-
€577 EUR
View
B+
Retailer 7
-
€633 EUR
View
B
Retailer 8
-
€830 EUR
View
B+
Retailer 9
-
€873 EUR
View
B+
Retailer 10
-
€893 EUR
View
Retailer 11
-
€1,022 EUR
View
Price last confirmed 28 days ago
B
Retailer 12
-
€1,038 EUR
View
B
Retailer 13
-
€1,346 EUR
View
Most Expensive
Brilliant Earth
20909019A · Oct 16
€1,651 EUR
$1,860 USD
View
Price last confirmed 19 days ago
13 more retailers have this diamond
Prices start from €233 EURSave up to €1,114 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
€233 EUR