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Heart|Lab Grown|IGI

2.56ct F VS1 Heart Lab Grown Diamond

ID • F/VS1 • IGI LG512227949

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG512227949

Diamond specifications and retailer prices

From £354 GBP
$474 USD
As of November 2, 2026
Save £1,945 GBP (85%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £2,299 GBP at Brilliant Earth · As of October 31, 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 F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG512227949 or 512227949. Listed at 20 retailers as of October 31, 2026, with prices from £354 to £2,299, a £1,945 spread on the same certified stone. Brilliant Earth lists it at £2,299. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG512227949
Dimensions9.25 × 8.55 × 5.53 mm
L/W Ratio1.08
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.25 mm8.55 mm2.56 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG512227949
Side View
Table 59.5%Crown 34°Girdle: STK-VTKPavilion 38.8°Culet: NoneDepth 59.8%

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 2
Current: £2,299 GBP|Low: £340 GBP|High: £2,470 GBP|Avg: £995 GBP|-6.9%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 2, 2026
Retailer 16£354 GBP
Retailer 5£396 GBP
Retailer 8£396 GBP
Retailer 17£439 GBP
Retailer 14£545 GBP
Retailer 7£646 GBP
Retailer 4£684 GBP
Retailer 6£728 GBP
Retailer 2£728 GBP
Retailer 12£975 GBP
Retailer 13£1,059 GBP
Retailer 15£1,180 GBP
Retailer 3£1,411 GBP
Retailer 10£1,433 GBP
Retailer 9£1,544 GBP
Retailer 11£1,612 GBP
Retailer 18£1,643 GBP
Brilliant Earth£2,299 GBP

44 data points across 18 retailers

20 retailers£354 GBP to £2,299 GBP

A
Cheapest Retailer
-
£354 GBP
$474 USD
A
Retailer 2
-
£396 GBP
$531 USD
View
Final sale: no returns
A
Retailer 3
-
£396 GBP
$531 USD
View
A
Retailer 4
-
£439 GBP
$588 USD
View
Retailer 5
-
£439 GBP
$588 USD
View
Price last confirmed 17 days ago
A
Retailer 6
-
£545 GBP
$730 USD
View
A
Retailer 7
-
£646 GBP
$865 USD
View
A
Retailer 8
-
£684 GBP
$917 USD
View
A
Retailer 9
-
£728 GBP
$975 USD
View
A
Retailer 10
-
£728 GBP
View
B+
Retailer 11
-
£975 GBP
A$2,009 AUD
View
B+
Retailer 12
-
£1,059 GBP
ZAR 22,929 ZAR
View
B+
Retailer 13
-
£1,180 GBP
$1,581 USD
View
B
Retailer 14
-
£1,271 GBP
HK$13,300 HKD
View
B
Retailer 15
-
£1,411 GBP
$1,891 USD
View
B
Retailer 16
-
£1,433 GBP
$1,920 USD
View
B
Retailer 17
-
£1,544 GBP
$2,069 USD
View
B
Retailer 18
-
£1,612 GBP
View
B
Retailer 19
-
£1,643 GBP
$2,201 USD
View
Most Expensive
B
Brilliant Earth
17972294A · Oct 31
£2,299 GBP
$3,080 USD
View
19 more retailers have this diamond
Prices start from £354 GBPSave up to £1,945 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
£354 GBP