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Cushion|Lab Grown|IGI

5.26ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG847635726

Shape and cutting style on the report: Rectangular cushion mixed cut

Certificate IGI LG847635726

Diamond specifications and retailer prices

From £1,682 GBP
$2,254 USD
As of October 29, 2026
Save £7,527 GBP (82%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £9,210 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 5.26ct lab-grown cushion diamond

This 5.26ct lab-grown cushion sits in the over five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG847635726 or 847635726. Listed at 20 retailers as of October 29, 2026, with prices from £1,682 to £9,210, a £7,527 spread on the same certified stone. Brilliant Earth lists it at £9,210. 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

5.26
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG847635726
Dimensions11.70 × 8.09 × 5.46 mm
L/W Ratio1.45
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.70 mm8.09 mm5.26 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG847635726
Side View
Table 63.0%Crown 36°Girdle: STK-THKPavilion 41.1°Culet: LargeDepth 67.5%

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: £9,210 GBP|Low: £1,682 GBP|High: £9,322 GBP|Avg: £4,071 GBP|-1.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 31, 2026
Retailer 5£1,682 GBP
Retailer 3£1,866 GBP
Retailer 6£1,906 GBP
Retailer 10£2,016 GBP
Retailer 20£2,295 GBP
Retailer 2£2,397 GBP
Retailer 13£2,454 GBP
Retailer 17£2,491 GBP
Retailer 15£2,729 GBP
Retailer 9£3,310 GBP
Retailer 18£3,537 GBP
Retailer 14£3,540 GBP
Retailer 4£4,318 GBP
Retailer 19£4,695 GBP
Retailer 7£4,966 GBP
Retailer 16£5,003 GBP
Retailer 11£5,821 GBP
Retailer 8£6,097 GBP
Retailer 12£8,503 GBP
Brilliant Earth£9,210 GBP

14 data points across 20 retailers

20 retailers£1,682 GBP to £9,210 GBP

A
Cheapest Retailer
-
£1,682 GBP
$2,254 USD
Final sale: no returns
A
Retailer 2
-
£1,866 GBP
$2,500 USD
View
A
Retailer 3
-
£1,906 GBP
$2,554 USD
View
B+
Retailer 4
-
£2,016 GBP
HK$21,100 HKD
View
B+
Retailer 5
-
£2,295 GBP
$3,075 USD
View
B+
Retailer 6
-
£2,397 GBP
View
B+
Retailer 7
-
£2,454 GBP
$3,288 USD
View
B+
Retailer 8
-
£2,491 GBP
$3,338 USD
View
B+
Retailer 9
-
£2,729 GBP
€3,483 EUR
View
B
Retailer 10
-
£3,310 GBP
View
Retailer 11
-
£3,537 GBP
A$7,291 AUD
View
Price last confirmed 9 days ago
B
Retailer 12
-
£3,540 GBP
ZAR 76,637 ZAR
View
B
Retailer 13
-
£4,318 GBP
$5,786 USD
View
B
Retailer 14
-
£4,695 GBP
$6,291 USD
View
B
Retailer 15
-
£4,966 GBP
$6,653 USD
View
B
Retailer 16
-
£5,003 GBP
View
B
Retailer 17
-
£5,821 GBP
SGD 10,540 SGD
View
B
Retailer 18
-
£6,097 GBP
$8,170 USD
View
B
Retailer 19
-
£8,503 GBP
$11,393 USD
View
Most Expensive
B
Brilliant Earth
22193404A · Oct 29
£9,210 GBP
$12,340 USD
View
19 more retailers have this diamond
Prices start from £1,682 GBPSave up to £7,527 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
5.26ct Cushion
£1,682 GBP