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Cushion|Lab Grown|IGI

5.12ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG811625481

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG811625481

Diamond specifications and retailer prices

From £1,186 GBP
$1,589 USD
As of October 29, 2026
Save £3,136 GBP (73%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £4,322 GBP at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 5.12ct lab-grown cushion diamond

This 5.12ct lab-grown cushion sits in the over five carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG811625481 or 811625481. Listed at 12 retailers as of October 29, 2026, with prices from £1,186 to £4,322, a £3,136 spread on the same certified stone. Taylor and Hart lists it at £4,322. 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

5.12
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.4°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811625481
Dimensions12.76 × 8.73 × 5.86 mm
L/W Ratio1.46
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.76 mm8.73 mm5.12 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811625481
Side View
Table 60.0%Crown 30.4°Girdle: STK-THKPavilion 35.1°Culet: NoneDepth 67.1%

Caratlytics Score

How it works →
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 29
Current: £1,734 GBP|Low: £846 GBP|High: £4,322 GBP|Avg: £2,495 GBP|-0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Taylor and Hart
October 30, 2026
Retailer 11£1,186 GBP
Retailer 9£1,228 GBP
Retailer 12£1,355 GBP
Retailer 10£1,509 GBP
Retailer 1£1,734 GBP
Retailer 8£1,938 GBP
Retailer 6£2,493 GBP
Retailer 3£2,760 GBP
Retailer 2£2,969 GBP
Retailer 7£3,311 GBP
Retailer 5£3,513 GBP
Retailer 4£3,617 GBP
Taylor and Hart£4,322 GBP

23 data points across 13 retailers

12 retailers£1,186 GBP to £4,322 GBP

A
Cheapest Retailer
-
£1,186 GBP
$1,589 USD
Final sale: no returns
A
Retailer 2
-
£1,355 GBP
$1,815 USD
View
A
Retailer 3
-
£1,509 GBP
$2,022 USD
View
A
Retailer 4
-
£1,734 GBP
View
A
Retailer 5
-
£1,938 GBP
$2,597 USD
View
Retailer 6
-
£2,493 GBP
A$5,140 AUD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
£2,760 GBP
$3,698 USD
View
B+
Retailer 8
-
£2,969 GBP
View
B+
Retailer 9
-
£3,311 GBP
$4,436 USD
View
B+
Retailer 10
-
£3,513 GBP
View
B+
Retailer 11
-
£3,617 GBP
$4,847 USD
View
Most Expensive
B
Taylor and Hart
3T9P9QC · Oct 30
£4,322 GBP
$5,791 USD
View
11 more retailers have this diamond
Prices start from £1,186 GBPSave up to £3,136 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
5.12ct Cushion
£1,186 GBP