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Heart|Lab Grown|IGI

2.56ct F VS1 Heart Lab Grown Diamond

EX • F/VS1 • IGI LG649438425

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG649438425

Diamond specifications and retailer prices

From £460 GBP
$616 USD
As of November 1, 2026
Save £1,663 GBP (78%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £2,123 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 2.56ct lab-grown heart diamond

This 2.56ct lab-grown heart sits in the two to three carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG649438425 or 649438425. Listed at 16 retailers as of November 1, 2026, with prices from £460 to £2,123, a £1,663 spread on the same certified stone. MOH London lists it at £2,123. 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
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG649438425
Dimensions8.67 × 9.38 × 5.54 mm
L/W Ratio1.08
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.67 mm9.38 mm2.56 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG649438425
Side View
Table 58.0%Crown 37.6°Girdle: MED-STKPavilion 39.1°Culet: NoneDepth 59.1%

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 1
Current: £2,123 GBP|Low: £328 GBP|High: £2,149 GBP|Avg: £1,166 GBP
MOH London
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 2, 2026
Retailer 3£460 GBP
Retailer 11£509 GBP
Retailer 5£746 GBP
Retailer 7£746 GBP
Retailer 14£786 GBP
Retailer 2£793 GBP
Retailer 8£1,129 GBP
Retailer 9£1,228 GBP
Retailer 10£1,313 GBP
Retailer 13£1,338 GBP
Retailer 12£1,638 GBP
Retailer 4£1,658 GBP
Retailer 6£1,999 GBP
MOH London£2,123 GBP

45 data points across 14 retailers

16 retailers£460 GBP to £2,123 GBP

Retailer 1
-
£410 GBP
$550 USD
Price last confirmed 13 days ago
Retailer 2
-
£460 GBP
$616 USD
View
Price last confirmed 18 days ago
A
Retailer 3
-
£460 GBP
$616 USD
View
Final sale: no returns
Retailer 4
-
£509 GBP
$682 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
£746 GBP
$1,000 USD
View
B+
Retailer 6
-
£746 GBP
$1,000 USD
View
B+
Retailer 7
-
£786 GBP
$1,053 USD
View
B+
Retailer 8
-
£793 GBP
View
B+
Retailer 9
-
£1,129 GBP
A$2,328 AUD
View
B+
Retailer 10
-
£1,228 GBP
ZAR 26,572 ZAR
View
B
Retailer 11
-
£1,313 GBP
$1,759 USD
View
Retailer 12
-
£1,338 GBP
$1,793 USD
View
Price last confirmed 13 days ago
B
Retailer 13
-
£1,638 GBP
$2,195 USD
View
B
Retailer 14
-
£1,658 GBP
SGD 3,002 SGD
View
B
Retailer 15
-
£1,999 GBP
$2,679 USD
View
Most Expensive
B
MOH London
LG649438425 · Nov 1
£2,123 GBP
View
15 more retailers have this diamond
Prices start from £460 GBPSave up to £1,663 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
£460 GBP