Cushion|Lab Grown|IGI

12.05ct F VS1 Cushion Lab Grown Diamond

EX • F/VS1 • IGI LG702553543

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG702553543

Diamond specifications and retailer prices

From £3,707 GBP
$4,974 USD
As of November 1, 2026
Save £11,495 GBP (76%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £24,979 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 12.05ct lab-grown cushion diamond

This 12.05ct lab-grown cushion sits in the over five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG702553543 or 702553543. Listed at 16 retailers as of October 31, 2026, with a 310% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

12.05
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.9°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG702553543
Dimensions17.48 × 11.23 × 7.27 mm
L/W Ratio1.56
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.48 mm11.23 mm12.05 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG702553543
Side View
Table 63.0%Crown 31.9°Girdle: STK-VTKPavilion 34.2°Culet: NoneDepth 64.7%

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 1
Current: £24,979 GBP|Low: £3,707 GBP|High: £24,979 GBP|Avg: £7,518 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 3, 2026
Retailer 3£3,707 GBP
Retailer 9£3,840 GBP
Retailer 8£3,841 GBP
Retailer 12£3,909 GBP
Retailer 2£5,349 GBP
Retailer 10£5,517 GBP
Retailer 4£5,996 GBP
Retailer 7£6,560 GBP
Retailer 6£8,019 GBP
Retailer 5£8,044 GBP
Retailer 11£9,790 GBP
Do Amore Diamonds£24,979 GBP

42 data points across 12 retailers

16 retailers£3,707 GBP to £15,202 GBP

A
Cheapest Retailer
-
£3,707 GBP
$4,974 USD
Final sale: no returns
Retailer 2
-
£3,840 GBP
$5,153 USD
View
Price last confirmed 21 days ago
A
Retailer 3
-
£3,841 GBP
$5,155 USD
View
B+
Retailer 4
-
£3,909 GBP
$5,246 USD
View
B+
Retailer 5
-
£5,349 GBP
View
B+
Retailer 6
-
£5,517 GBP
$7,403 USD
View
B+
Retailer 7
-
£5,808 GBP
$7,794 USD
View
B+
Retailer 8
-
£5,996 GBP
View
B+
Retailer 9
-
£6,560 GBP
ZAR 142,225 ZAR
View
B
Retailer 10
-
£8,019 GBP
A$16,555 AUD
View
B
Retailer 11
-
£8,044 GBP
A$16,607 AUD
View
B
Retailer 12
-
£9,790 GBP
$13,137 USD
View
B
Retailer 13
-
£10,569 GBP
$14,184 USD
View
B
Retailer 14
-
£15,202 GBP
$20,400 USD
View
Retailer 15
-
£22,773 GBP
$30,560 USD
View
Price under review
Most Expensive
Do Amore Diamonds
23-702553543 · Nov 2
£24,979 GBP
$33,520 USD
View
Price under review
15 more retailers have this diamond
Prices start from £3,707 GBPSave up to £11,495 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
12.05ct Cushion
£3,707 GBP