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Cushion|Lab Grown|IGI

8.12ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG788646411

Shape and cutting style on the report: Cushion mixed cut

Certificate IGI LG788646411

Diamond specifications and retailer prices

From £3,647 GBP
$4,886 USD
As of October 30, 2026
Save £9,423 GBP (72%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £13,069 GBP at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 8.12ct lab-grown cushion diamond

This 8.12ct lab-grown cushion sits in the over five carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG788646411 or 788646411. Listed at 6 retailers as of October 30, 2026, with prices from £3,647 to £13,069, a £9,423 spread on the same certified stone. Taylor and Hart lists it at £13,069. 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

8.12
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle51.6°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788646411
Dimensions14.00 × 9.38 × 5.97 mm
L/W Ratio1.49
Girdle conditionFaceted
Culet sizeLarge
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.00 mm9.38 mm8.12 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788646411
Side View
Table 66.0%Crown 51.6°Girdle: MED-THKPavilion 40°Culet: LargeDepth 63.6%

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 30
Current: £4,752 GBP|Low: £3,135 GBP|High: £13,069 GBP|Avg: £7,883 GBP|+13.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Taylor and Hart
October 30, 2026
Retailer 5£3,647 GBP
Retailer 1£4,752 GBP
Retailer 3£5,682 GBP
Retailer 2£7,641 GBP
Retailer 4£12,950 GBP
Taylor and Hart£13,069 GBP

37 data points across 6 retailers

6 retailers£3,647 GBP to £13,069 GBP

A
Cheapest Retailer
-
£3,647 GBP
$4,886 USD
B+
Retailer 2
-
£4,752 GBP
View
B+
Retailer 3
-
£5,682 GBP
$7,613 USD
View
B+
Retailer 4
-
£7,641 GBP
View
B
Retailer 5
-
£12,950 GBP
$17,351 USD
View
Most Expensive
B
Taylor and Hart
YOKE077 · Oct 31
£13,069 GBP
$17,511 USD
View
5 more retailers have this diamond
Prices start from £3,647 GBPSave up to £9,423 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
8.12ct Cushion
£3,647 GBP