Cushion|Lab Grown|IGI

5.12ct E VVS1 Cushion Lab Grown Diamond

EX • E/VVS1 • IGI LG764635598

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG764635598

Diamond specifications and retailer prices

From £1,708 GBP
$2,289 USD
As of October 29, 2026
Save £4,485 GBP (72%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £6,193 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 LG764635598 or 764635598. Listed at 16 retailers as of October 29, 2026, with prices from £1,708 to £6,193, a £4,485 spread on the same certified stone. Taylor and Hart lists it at £6,193. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG764635598
Dimensions9.89 × 9.74 × 6.53 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.89 mm9.74 mm5.12 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG764635598
Side View
Table 64.0%Crown 33.9°Girdle: STK-VTKPavilion 39.9°Culet: NoneDepth 67.0%

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: £5,366 GBP|Low: £1,708 GBP|High: £9,941 GBP|Avg: £3,467 GBP|-46.0%
Retailer 1
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
October 30, 2026
Retailer 2£1,708 GBP
Retailer 3£1,770 GBP
Retailer 11£1,863 GBP
Retailer 12£1,896 GBP
Retailer 5£1,927 GBP
Retailer 7£2,436 GBP
Retailer 4£2,770 GBP
Retailer 6£3,355 GBP
Retailer 10£3,594 GBP
Retailer 8£3,597 GBP
Retailer 14£4,770 GBP
Retailer 13£5,039 GBP
Retailer 9£5,083 GBP
Retailer 1£5,366 GBP

43 data points across 14 retailers

16 retailers£1,708 GBP to £6,193 GBP

A
Cheapest Retailer
-
£1,708 GBP
$2,289 USD
Final sale: no returns
Retailer 2
-
£1,770 GBP
$2,372 USD
View
Price last confirmed 19 days ago
Retailer 3
-
£1,863 GBP
View
Price last confirmed 13 days ago
A
Retailer 4
-
£1,896 GBP
$2,540 USD
View
A
Retailer 5
-
£1,927 GBP
$2,582 USD
View
B+
Retailer 6
-
£2,436 GBP
View
B+
Retailer 7
-
£2,770 GBP
$3,711 USD
View
B+
Retailer 8
-
£2,916 GBP
$3,907 USD
View
B+
Retailer 9
-
£3,355 GBP
View
Retailer 10
-
£3,594 GBP
A$7,408 AUD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
£3,597 GBP
ZAR 77,862 ZAR
View
B
Retailer 12
-
£4,770 GBP
$6,391 USD
View
B
Retailer 13
-
£5,039 GBP
$6,751 USD
View
B
Retailer 14
-
£5,083 GBP
View
B
Retailer 15
-
£5,366 GBP
$7,190 USD
View
Most Expensive
B
Taylor and Hart
O03H4AA · Oct 30
£6,193 GBP
$8,299 USD
View
15 more retailers have this diamond
Prices start from £1,708 GBPSave up to £4,485 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
£1,708 GBP