Cushion|Lab Grown|IGI

10.55ct E VVS1 Cushion Lab Grown Diamond

EX • E/VVS1 • IGI LG763607121

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG763607121

Diamond specifications and retailer prices

From £6,356 GBP
$8,516 USD
As of October 29, 2026
Save £16,963 GBP (73%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £23,319 GBP at Michael Trio · As of October 30, 2026
View at Michael Trio

About this 10.55ct lab-grown cushion diamond

This 10.55ct 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 LG763607121 or 763607121. Listed at 16 retailers as of October 29, 2026, with prices from £6,356 to £23,319, a £16,963 spread on the same certified stone. Michael Trio lists it at £23,319. 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

10.55
Carat
E
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG763607121
Dimensions15.66 × 11.24 × 7.43 mm
L/W Ratio1.39
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.66 mm11.24 mm10.55 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG763607121
Side View
Table 64.0%Crown 34.6°Girdle: STK-THKPavilion 35.2°Culet: NoneDepth 66.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £23,319 GBP|Low: £6,356 GBP|High: £27,690 GBP|Avg: £13,829 GBP|-15.8%
Michael Trio
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 3£6,356 GBP
Retailer 8£6,589 GBP
Retailer 12£6,968 GBP
Retailer 5£8,157 GBP
Retailer 2£8,194 GBP
Retailer 13£9,486 GBP
Retailer 10£12,159 GBP
Retailer 9£12,556 GBP
Retailer 7£12,580 GBP
Retailer 14£14,441 GBP
Retailer 11£17,295 GBP
Retailer 6£20,449 GBP
Retailer 4£21,949 GBP
Michael Trio£23,319 GBP

41 data points across 14 retailers

16 retailers£6,356 GBP to £23,319 GBP

B+
Cheapest Retailer
-
£6,356 GBP
$8,516 USD
Final sale: no returns
B+
Retailer 2
-
£6,589 GBP
$8,828 USD
View
B+
Retailer 3
-
£6,968 GBP
$9,337 USD
View
Retailer 4
-
£8,157 GBP
$10,930 USD
View
Price last confirmed 9 days ago
B+
Retailer 5
-
£8,194 GBP
View
B
Retailer 6
-
£9,486 GBP
View
Retailer 7
-
£9,728 GBP
View
Price last confirmed 16 days ago
B
Retailer 8
-
£11,444 GBP
$15,334 USD
View
B
Retailer 9
-
£12,159 GBP
$16,292 USD
View
Retailer 10
-
£12,556 GBP
A$25,883 AUD
View
Price last confirmed 8 days ago
B
Retailer 11
-
£12,580 GBP
€16,053 EUR
View
B
Retailer 12
-
£14,441 GBP
$19,349 USD
View
B
Retailer 13
-
£17,295 GBP
$23,173 USD
View
B
Retailer 14
-
£20,449 GBP
$27,400 USD
View
B
Retailer 15
-
£21,949 GBP
$29,410 USD
View
Most Expensive
B
Michael Trio
2426728300 · Oct 30
£23,319 GBP
SGD 42,223 SGD
View
15 more retailers have this diamond
Prices start from £6,356 GBPSave up to £16,963 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.

B+
10.55ct Cushion
£6,356 GBP