Cushion|Lab Grown|IGI

8.92ct H VS1 Cushion Lab Grown Diamond

ID • H/VS1 • IGI LG598314727

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG598314727

Diamond specifications and retailer prices

From £1,272 GBP
$1,704 USD
As of October 31, 2026
Save £7,826 GBP (86%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £9,098 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 8.92ct lab-grown cushion diamond

This 8.92ct lab-grown cushion sits in the over five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG598314727 or 598314727. Listed at 18 retailers as of October 29, 2026, with prices from £1,272 to £9,098, a £7,826 spread on the same certified stone. Brilliant Earth lists it at £9,098. 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

8.92
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.4°
Pavilion angle30.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG598314727
Dimensions11.26 × 11.21 × 7.52 mm
L/W Ratio1.00
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
11.26 mm11.21 mm8.92 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG598314727
Side View
Table 65.0%Crown 39.4°Girdle: STK-VTKPavilion 30.8°Culet: NoneDepth 67.1%

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: Oct 31
Current: £9,098 GBP|Low: £1,272 GBP|High: £9,389 GBP|Avg: £3,146 GBP|-3.1%
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
October 31, 2026
Retailer 4£1,272 GBP
Retailer 16£1,318 GBP
Retailer 15£1,444 GBP
Retailer 3£1,705 GBP
Retailer 12£1,884 GBP
Retailer 2£2,007 GBP
Retailer 9£2,052 GBP
Retailer 10£2,210 GBP
Retailer 13£2,446 GBP
Retailer 8£2,929 GBP
Retailer 5£3,185 GBP
Retailer 6£3,251 GBP
Retailer 11£3,784 GBP
Retailer 14£3,862 GBP
Retailer 7£6,274 GBP
Brilliant Earth£9,098 GBP

38 data points across 16 retailers

18 retailers£1,272 GBP to £9,098 GBP

A
Cheapest Retailer
-
£1,272 GBP
$1,704 USD
Final sale: no returns
Retailer 2
-
£1,318 GBP
$1,766 USD
View
Price last confirmed 19 days ago
A
Retailer 3
-
£1,444 GBP
$1,935 USD
View
A
Retailer 4
-
£1,705 GBP
$2,285 USD
View
B+
Retailer 5
-
£1,884 GBP
$2,525 USD
View
A
Retailer 6
-
£2,007 GBP
€2,561 EUR
View
A
Retailer 7
-
£2,052 GBP
$2,750 USD
View
A
Retailer 8
-
£2,210 GBP
ZAR 47,845 ZAR
View
Retailer 9
-
£2,446 GBP
A$5,042 AUD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
£2,929 GBP
$3,925 USD
View
B+
Retailer 11
-
£3,185 GBP
View
B+
Retailer 12
-
£3,251 GBP
$4,357 USD
View
B+
Retailer 13
-
£3,784 GBP
View
B+
Retailer 14
-
£3,852 GBP
$5,162 USD
View
B+
Retailer 15
-
£3,862 GBP
$5,175 USD
View
B+
Retailer 16
-
£4,634 GBP
$6,208 USD
View
B
Retailer 17
-
£6,402 GBP
$8,578 USD
View
Most Expensive
B
Brilliant Earth
10792552A · Oct 29
£9,098 GBP
$12,190 USD
View
17 more retailers have this diamond
Prices start from £1,272 GBPSave up to £7,826 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
8.92ct Cushion
£1,272 GBP