CaratHunter
Plans
Cushion|Lab Grown|IGI

4.09ct F VS1 Cushion Lab Grown Diamond

ID • F/VS1 • IGI LG803695315

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG803695315

Diamond specifications and retailer prices

From £469 GBP
As of November 2, 2026
Save £3,175 GBP (87%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £3,644 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 4.09ct lab-grown cushion diamond

This 4.09ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG803695315 or 803695315. Listed at 14 retailers as of November 2, 2026, with prices from £469 to £3,644, a £3,175 spread on the same certified stone. Do Amore Diamonds lists it at £3,644. 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

4.09
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG803695315
Dimensions10.15 × 9.44 × 5.98 mm
L/W Ratio1.08
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.15 mm9.44 mm4.09 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG803695315
Side View
Table 62.0%Crown 34.9°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.3%

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 2
Current: £3,644 GBP|Low: £382 GBP|High: £3,793 GBP|Avg: £1,518 GBP|-3.0%
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
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 2, 2026
Retailer 2£469 GBP
Retailer 16£487 GBP
Retailer 5£637 GBP
Retailer 14£671 GBP
Retailer 10£677 GBP
Retailer 20£681 GBP
Retailer 15£825 GBP
Retailer 3£1,126 GBP
Retailer 12£1,197 GBP
Retailer 17£1,219 GBP
Retailer 9£1,405 GBP
Retailer 8£1,484 GBP
Retailer 7£1,657 GBP
Retailer 11£1,817 GBP
Retailer 18£1,975 GBP
Retailer 6£2,232 GBP
Retailer 13£2,441 GBP
Retailer 19£3,204 GBP
Retailer 4£3,284 GBP
Do Amore Diamonds£3,644 GBP

28 data points across 20 retailers

14 retailers£469 GBP to £3,644 GBP

A
Cheapest Retailer
-
£469 GBP
A
Retailer 2
-
£487 GBP
$654 USD
View
Final sale: no returns
A
Retailer 3
-
£637 GBP
$855 USD
View
A
Retailer 4
-
£671 GBP
$900 USD
View
B+
Retailer 5
-
£681 GBP
$914 USD
View
A
Retailer 6
-
£825 GBP
€1,054 EUR
View
A
Retailer 7
-
£1,126 GBP
A$2,325 AUD
View
A
Retailer 8
-
£1,219 GBP
$1,636 USD
View
B+
Retailer 9
-
£1,975 GBP
$2,651 USD
View
Retailer 10
-
£2,232 GBP
$2,995 USD
View
Price last confirmed 14 days ago
B
Retailer 11
-
£2,441 GBP
View
B
Retailer 12
-
£3,204 GBP
$4,300 USD
View
B
Retailer 13
-
£3,284 GBP
$4,407 USD
View
Most Expensive
B
Do Amore Diamonds
27-DC8396FE6 · Nov 2
£3,644 GBP
$4,890 USD
View
13 more retailers have this diamond
Prices start from £469 GBPSave up to £3,175 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
4.09ct Cushion
£469 GBP