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Heart|Lab Grown|IGI

2.56ct D VVS1 Heart Lab Grown Diamond

ID • D/VVS1 • IGI LG825656431

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG825656431

Diamond specifications and retailer prices

From £507 GBP
As of November 4, 2026
Save £2,485 GBP (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £2,993 GBP at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 2.56ct lab-grown heart diamond

This 2.56ct lab-grown heart sits in the two to three carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG825656431 or 825656431. Listed at 19 retailers as of November 4, 2026, with prices from £507 to £2,993, a £2,485 spread on the same certified stone. Brilliant Earth lists it at £2,993. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.56
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825656431
Dimensions8.41 × 9.52 × 5.36 mm
L/W Ratio1.13
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.41 mm9.52 mm2.56 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825656431
Side View
Table 64.0%Crown 35.6°Girdle: ThickPavilion 37.9°Culet: NoneDepth 56.3%

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: £2,993 GBP|Low: £487 GBP|High: £2,993 GBP|Avg: £1,429 GBP
Brilliant Earth
Retailer 2
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Retailer 12
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Retailer 18
November 4, 2026
Retailer 4£507 GBP
Retailer 9£552 GBP
Retailer 5£588 GBP
Retailer 3£603 GBP
Retailer 15£719 GBP
Retailer 2£933 GBP
Retailer 7£958 GBP
Retailer 8£1,143 GBP
Retailer 12£1,335 GBP
Retailer 13£1,397 GBP
Retailer 11£1,519 GBP
Retailer 6£1,655 GBP
Retailer 16£1,940 GBP
Retailer 10£2,029 GBP
Retailer 17£2,171 GBP
Retailer 18£2,304 GBP
Retailer 14£2,492 GBP
Brilliant Earth£2,993 GBP

39 data points across 18 retailers

19 retailers£507 GBP to £2,993 GBP

A
Cheapest Retailer
-
£507 GBP
A
Retailer 2
-
£552 GBP
View
A
Retailer 3
-
£588 GBP
View
Retailer 4
-
£588 GBP
View
Price last confirmed 19 days ago
A
Retailer 5
-
£603 GBP
View
Final sale: no returns
A
Retailer 6
-
£719 GBP
View
B+
Retailer 7
-
£933 GBP
View
B+
Retailer 8
-
£958 GBP
View
B+
Retailer 9
-
£1,143 GBP
View
B+
Retailer 10
-
£1,335 GBP
View
B
Retailer 11
-
£1,397 GBP
View
B+
Retailer 12
-
£1,519 GBP
View
B
Retailer 13
-
£1,655 GBP
View
B
Retailer 14
-
£1,940 GBP
View
B
Retailer 15
-
£2,029 GBP
View
B
Retailer 16
-
£2,171 GBP
View
B
Retailer 17
-
£2,304 GBP
View
B
Retailer 18
-
£2,492 GBP
View
Most Expensive
B
Brilliant Earth
21418752A · Nov 4
£2,993 GBP
$4,040 USD
View
18 more retailers have this diamond
Prices start from £507 GBPSave up to £2,485 GBP

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
2.56ct Heart
£507 GBP