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Cushion|Lab Grown|IGI

0.86ct H VS1 Cushion Lab Grown Diamond

ID • H/VS1 • IGI LG794679586

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG794679586

Diamond specifications and retailer prices

From £230 GBP
As of November 5, 2026
Save £244 GBP (52%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £815 GBP at Reve Diamonds · As of October 25, 2026
View at Reve Diamonds

About this 0.86ct lab-grown cushion diamond

This 0.86ct lab-grown cushion sits in the just-under-one-carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG794679586 or 794679586. Listed at 11 retailers as of November 4, 2026, with a 106% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.86
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.7°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794679586
Dimensions7.61 × 4.66 × 2.91 mm
L/W Ratio1.63
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.61 mm4.66 mm0.86 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794679586
Side View
Table 53.0%Crown 37.7°Girdle: MED-THKPavilion 34.4°Culet: LargeDepth 62.4%

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: Nov 5
Current: £439 GBP|Low: £141 GBP|High: £815 GBP|Avg: £400 GBP|+23.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Reve Diamonds
November 2, 2026
Retailer 12£141 GBP
Retailer 6£230 GBP
Retailer 8£237 GBP
Retailer 5£291 GBP
Retailer 9£316 GBP
Retailer 2£387 GBP
Retailer 10£391 GBP
Retailer 1£439 GBP
Retailer 4£473 GBP
Retailer 7£474 GBP
Retailer 3£544 GBP
Retailer 11£734 GBP
Reve Diamonds£815 GBP

30 data points across 13 retailers

11 retailers£230 GBP to £474 GBP

A
Cheapest Retailer
-
£230 GBP
A
Retailer 2
-
£237 GBP
View
B+
Retailer 3
-
£291 GBP
View
Retailer 4
-
£316 GBP
View
Price last confirmed 9 days ago
Retailer 5
-
£387 GBP
View
Price last confirmed 10 days ago
Retailer 6
-
£391 GBP
View
Price last confirmed 10 days ago
B
Retailer 7
-
£439 GBP
View
B
Retailer 8
-
£474 GBP
View
Retailer 9
-
£544 GBP
View
Price last confirmed 9 days ago
Retailer 10
-
£734 GBP
View
Price last confirmed 10 days ago
Most Expensive
Reve Diamonds
3E2B80B43 · Oct 25
£815 GBP
$1,101 USD
View
Price last confirmed 11 days ago
10 more retailers have this diamond
Prices start from £230 GBPSave up to £244 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
0.86ct Cushion
£230 GBP