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Heart|Lab Grown|IGI

1.28ct D VVS1 Heart Lab Grown Diamond

EX • D/VVS1 • IGI LG774670800

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG774670800

Diamond specifications and retailer prices

From €248 EUR
As of November 4, 2026
Save €1,036 EUR (81%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: €1,340 EUR at Brilliant Earth · As of October 21, 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 LG774670800 or 774670800. Listed at 25 retailers as of November 4, 2026, with a 418% 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 angle35.3°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG774670800
Dimensions6.97 × 7.33 × 4.47 mm
L/W Ratio1.05
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.97 mm7.33 mm1.28 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG774670800
Side View
Table 60.0%Crown 35.3°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 61.0%

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: €1,340 EUR|Low: €238 EUR|High: €1,385 EUR|Avg: €640 EUR|-3.2%
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
Retailer 14
November 5, 2026
Retailer 13€248 EUR
Retailer 6€277 EUR
Retailer 3€307 EUR
Retailer 14€307 EUR
Retailer 11€448 EUR
Retailer 10€503 EUR
Retailer 8€529 EUR
Retailer 5€531 EUR
Retailer 2€533 EUR
Retailer 7€754 EUR
Retailer 12€944 EUR
Retailer 4€985 EUR
Retailer 9€1,232 EUR
Brilliant Earth€1,340 EUR

44 data points across 14 retailers

25 retailers€248 EUR to €1,283 EUR

Retailer 1
-
€248 EUR
Price last confirmed 36 days ago
A
Retailer 2
-
€248 EUR
View
A
Retailer 3
-
€277 EUR
View
Final sale: no returns
Retailer 4
-
€288 EUR
View
Price last confirmed 37 days ago
Retailer 5
-
€304 EUR
View
Price last confirmed 39 days ago
A
Retailer 6
-
€307 EUR
View
Retailer 7
-
€307 EUR
View
Price last confirmed 11 days ago
A
Retailer 8
-
€341 EUR
View
A
Retailer 9
-
€413 EUR
View
A
Retailer 10
-
€448 EUR
View
B+
Retailer 11
-
€503 EUR
View
B+
Retailer 12
-
€529 EUR
View
B+
Retailer 13
-
€531 EUR
View
B+
Retailer 14
-
€533 EUR
View
B+
Retailer 15
-
€591 EUR
View
B+
Retailer 16
-
€650 EUR
View
B+
Retailer 17
-
€754 EUR
View
Retailer 18
-
€784 EUR
View
Price last confirmed 10 days ago
B
Retailer 19
-
€944 EUR
View
Retailer 20
-
€985 EUR
View
Price last confirmed 7 days ago
Retailer 21
-
€988 EUR
View
Price last confirmed 36 days ago
B
Retailer 22
-
€1,032 EUR
View
B
Retailer 23
-
€1,232 EUR
View
B
Retailer 24
-
€1,283 EUR
View
Most Expensive
Brilliant Earth
18180896A · Oct 21
€1,340 EUR
$1,510 USD
View
Price last confirmed 14 days ago
24 more retailers have this diamond
Prices start from €248 EURSave up to €1,036 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
€248 EUR