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Radiant|Lab Grown|IGI

15.11ct G VVS2 Radiant Lab Grown Diamond

ID • G/VVS2 • IGI LG783660518

Shape and cutting style on the report: Cut cornered rectangular mixed cut

Certificate IGI LG783660518

Diamond specifications and retailer prices

From £3,306 GBP
$4,430 USD
As of October 31, 2026
Save £15,613 GBP (83%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £18,919 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 15.11ct lab-grown radiant diamond

This 15.11ct lab-grown radiant sits in the over five carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG783660518 or 783660518. Listed at 4 retailers as of October 31, 2026, with prices from £3,306 to £18,919, a £15,613 spread on the same certified stone. Do Amore Diamonds lists it at £18,919. 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

15.11
Carat
G
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783660518
Dimensions16.65 × 11.78 × 7.77 mm
L/W Ratio1.41
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.65 mm11.78 mm15.11 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783660518
Side View
Table 69.0%Crown 37.6°Girdle: Slightly ThickPavilion 40.6°Culet: LargeDepth 66.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £18,919 GBP|Low: £3,306 GBP|High: £19,815 GBP|Avg: £10,707 GBP|-4.5%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
October 31, 2026
Retailer 2£3,306 GBP
Retailer 3£4,314 GBP
Retailer 4£4,548 GBP
Do Amore Diamonds£18,919 GBP

8 data points across 4 retailers

4 retailers£3,306 GBP to £18,919 GBP

A
Cheapest Retailer
-
£3,306 GBP
$4,430 USD
Retailer 2
-
£4,314 GBP
$5,780 USD
View
Price last confirmed 12 days ago
B+
Retailer 3
-
£4,548 GBP
$6,094 USD
View
Most Expensive
B
Do Amore Diamonds
27-BF6914AA8 · Oct 31
£18,919 GBP
$25,350 USD
View
3 more retailers have this diamond
Prices start from £3,306 GBPSave up to £15,613 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
15.11ct Radiant
£3,306 GBP