CaratHunter
Plans
Radiant|Lab Grown|IGI

11.40ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG615348257

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG615348257

Diamond specifications and retailer prices

From £1,370 GBP
$1,835 USD
As of October 30, 2026
Save £7,795 GBP (85%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £9,165 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 11.4ct lab-grown radiant diamond

This 11.4ct lab-grown radiant sits in the over five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG615348257 or 615348257. Listed at 24 retailers as of October 30, 2026, with prices from £1,370 to £9,165, a £7,795 spread on the same certified stone. Brilliant Earth lists it at £9,165. 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

11.40
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.4°
Pavilion angle33.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG615348257
Dimensions16.27 × 11.00 × 7.25 mm
L/W Ratio1.48
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
16.27 mm11.00 mm11.40 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG615348257
Side View
Table 67.0%Crown 43.4°Girdle: MED-STKPavilion 33.4°Culet: NoneDepth 65.9%

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 30
Current: £9,165 GBP|Low: £1,282 GBP|High: £10,904 GBP|Avg: £2,781 GBP|-15.9%
Brilliant Earth
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
November 2, 2026
Retailer 15£1,282 GBP
Retailer 4£1,370 GBP
Retailer 8£1,490 GBP
Retailer 5£1,533 GBP
Retailer 6£1,588 GBP
Retailer 9£1,588 GBP
Retailer 17£1,713 GBP
Retailer 10£2,029 GBP
Retailer 2£2,253 GBP
Retailer 14£2,270 GBP
Retailer 12£2,391 GBP
Retailer 16£2,443 GBP
Retailer 13£2,459 GBP
Retailer 11£2,943 GBP
Retailer 7£2,977 GBP
Retailer 3£4,279 GBP
Retailer 18£4,561 GBP
Brilliant Earth£9,165 GBP

46 data points across 18 retailers

24 retailers£1,370 GBP to £9,165 GBP

Retailer 1
-
£1,282 GBP
Price last confirmed 16 days ago
A
Retailer 2
-
£1,370 GBP
$1,835 USD
View
A
Retailer 3
-
£1,490 GBP
$1,996 USD
View
A
Retailer 4
-
£1,533 GBP
$2,054 USD
View
Final sale: no returns
A
Retailer 5
-
£1,588 GBP
$2,128 USD
View
Retailer 6
-
£1,588 GBP
$2,128 USD
View
Price last confirmed 20 days ago
A
Retailer 7
-
£1,713 GBP
$2,295 USD
View
A
Retailer 8
-
£2,029 GBP
$2,718 USD
View
A
Retailer 9
-
£2,253 GBP
View
B+
Retailer 10
-
£2,270 GBP
$3,042 USD
View
A
Retailer 11
-
£2,391 GBP
€3,051 EUR
View
A
Retailer 12
-
£2,443 GBP
$3,274 USD
View
A
Retailer 13
-
£2,459 GBP
ZAR 53,223 ZAR
View
B+
Retailer 14
-
£2,943 GBP
A$6,066 AUD
View
B+
Retailer 15
-
£2,977 GBP
$3,989 USD
View
B+
Retailer 16
-
£3,287 GBP
View
B+
Retailer 17
-
£3,931 GBP
$5,267 USD
View
B+
Retailer 18
-
£4,279 GBP
$5,734 USD
View
B+
Retailer 19
-
£4,561 GBP
$6,112 USD
View
Retailer 20
-
£4,900 GBP
$6,565 USD
View
Price last confirmed 84 days ago
B
Retailer 21
-
£5,566 GBP
$7,457 USD
View
B
Retailer 22
-
£5,658 GBP
$7,581 USD
View
B
Retailer 23
-
£7,740 GBP
$10,371 USD
View
Most Expensive
B
Brilliant Earth
9054095A · Oct 31
£9,165 GBP
$12,280 USD
View
23 more retailers have this diamond
Prices start from £1,370 GBPSave up to £7,795 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
11.40ct Radiant
£1,370 GBP