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Radiant|Lab Grown|IGI

1.15ct F VVS1 Radiant Lab Grown Diamond

GD • F/VVS1 • IGI LG851653618

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

Certificate IGI LG851653618

Diamond specifications and retailer prices

From £131 GBP
$176 USD
As of November 2, 2026
Save £431 GBP (77%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £562 GBP at Taylor and Hart · As of November 1, 2026
View at Taylor and Hart

About this 1.15ct lab-grown radiant diamond

This 1.15ct lab-grown radiant sits in the classic one-carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a standard cut grade and certified by IGI LG851653618 or 851653618. Listed at 9 retailers as of November 1, 2026, with prices from £131 to £562, a £431 spread on the same certified stone. Taylor and Hart lists it at £562. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.15
Carat
F
Colour
VVS1
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle28.5°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851653618
Dimensions7.64 × 5.41 × 3.35 mm
L/W Ratio1.41
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.64 mm5.41 mm1.15 ctF / VVS1
OriginLab Grown
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG851653618
Side View
Table 75.0%Crown 28.5°Girdle: Slightly ThickPavilion 38.5°Culet: NoneDepth 61.9%

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: Nov 2
Current: £551 GBP|Low: £131 GBP|High: £562 GBP|Avg: £304 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Taylor and Hart
November 2, 2026
Retailer 4£131 GBP
Retailer 7£147 GBP
Retailer 8£152 GBP
Retailer 3£199 GBP
Retailer 5£288 GBP
Retailer 6£291 GBP
Retailer 2£382 GBP
Retailer 1£551 GBP
Taylor and Hart£562 GBP

2 data points across 9 retailers

9 retailers£131 GBP to £562 GBP

A
Cheapest Retailer
-
£131 GBP
$176 USD
B+
Retailer 2
-
£147 GBP
$197 USD
View
Final sale: no returns
B+
Retailer 3
-
£152 GBP
$204 USD
View
B+
Retailer 4
-
£199 GBP
View
B+
Retailer 5
-
£288 GBP
$386 USD
View
B+
Retailer 6
-
£291 GBP
View
B+
Retailer 7
-
£382 GBP
$513 USD
View
B
Retailer 8
-
£551 GBP
$739 USD
View
Most Expensive
B
Taylor and Hart
BBA5K9L · Nov 1
£562 GBP
$754 USD
View
8 more retailers have this diamond
Prices start from £131 GBPSave up to £431 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
1.15ct Radiant
£131 GBP