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Cushion|Lab Grown|IGI

2.56ct H VS1 Cushion Lab Grown Diamond

ID • H/VS1 • IGI LG847686523

Shape and cutting style on the report: Antique cushion cut

Certificate IGI LG847686523

Diamond specifications and retailer prices

From £813 GBP
$1,091 USD
As of October 29, 2026
Save £2,482 GBP (75%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £3,295 GBP at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 2.56ct lab-grown cushion diamond

This 2.56ct lab-grown cushion sits in the two to three carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG847686523 or 847686523. Listed at 10 retailers as of October 29, 2026, with prices from £813 to £3,295, a £2,482 spread on the same certified stone. Taylor and Hart lists it at £3,295. 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
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG847686523
Dimensions10.37 × 7.08 × 4.70 mm
L/W Ratio1.46
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.37 mm7.08 mm2.56 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG847686523
Side View
Table 56.0%Crown 34.2°Girdle: ThickPavilion 36.8°Culet: LargeDepth 66.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £1,912 GBP|Low: £813 GBP|High: £3,295 GBP|Avg: £1,586 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Taylor and Hart
October 31, 2026
Retailer 3£813 GBP
Retailer 2£881 GBP
Retailer 6£943 GBP
Retailer 7£992 GBP
Retailer 5£1,073 GBP
Retailer 8£1,230 GBP
Retailer 4£1,356 GBP
Retailer 1£1,912 GBP
Retailer 9£2,882 GBP
Taylor and Hart£3,295 GBP

4 data points across 10 retailers

10 retailers£813 GBP to £3,295 GBP

A
Cheapest Retailer
-
£813 GBP
$1,091 USD
A
Retailer 2
-
£881 GBP
$1,182 USD
View
A
Retailer 3
-
£943 GBP
$1,265 USD
View
A
Retailer 4
-
£992 GBP
HK$10,400 HKD
View
A
Retailer 5
-
£1,073 GBP
$1,440 USD
View
A
Retailer 6
-
£1,230 GBP
$1,650 USD
View
B+
Retailer 7
-
£1,356 GBP
€1,733 EUR
View
B+
Retailer 8
-
£1,912 GBP
$2,566 USD
View
B
Retailer 9
-
£2,882 GBP
SGD 5,226 SGD
View
Most Expensive
B
Taylor and Hart
TY0BWBS · Oct 30
£3,295 GBP
$4,421 USD
View
9 more retailers have this diamond
Prices start from £813 GBPSave up to £2,482 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 Cushion
£813 GBP