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Radiant|Lab Grown|IGI

0.97ct F SI1 Radiant Lab Grown Diamond

GD • F/SI1 • IGI LG520297836

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

Certificate IGI LG520297836

Diamond specifications and retailer prices

From £124 GBP
$166 USD
As of November 2, 2026
Save £1,061 GBP (90%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,185 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 0.97ct lab-grown radiant diamond

This 0.97ct lab-grown radiant sits in the just-under-one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG520297836 or 520297836. Listed at 17 retailers as of November 2, 2026, with prices from £124 to £1,185, a £1,061 spread on the same certified stone. Do Amore Diamonds lists it at £1,185. 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

0.97
Carat
F
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.6°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG520297836
Dimensions7.11 × 4.87 × 3.29 mm
L/W Ratio1.46
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
7.11 mm4.87 mm0.97 ctF / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG520297836
Side View
Table 66.5%Crown 42.6°Girdle: MED-STKPavilion 37.4°Culet: NoneDepth 67.6%

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: £306 GBP|Low: £118 GBP|High: £802 GBP|Avg: £350 GBP|+3.4%
Retailer 1
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
November 2, 2026
Retailer 12£124 GBP
Retailer 4£139 GBP
Retailer 2£144 GBP
Retailer 3£154 GBP
Retailer 13£154 GBP
Retailer 15£276 GBP
Retailer 10£287 GBP
Retailer 1£306 GBP
Retailer 5£317 GBP
Retailer 6£356 GBP
Retailer 9£417 GBP
Retailer 11£521 GBP
Retailer 14£544 GBP
Retailer 7£588 GBP
Retailer 8£792 GBP

43 data points across 15 retailers

17 retailers£124 GBP to £1,185 GBP

A
Cheapest Retailer
-
£124 GBP
$166 USD
B+
Retailer 2
-
£139 GBP
$186 USD
View
Final sale: no returns
B+
Retailer 3
-
£144 GBP
$193 USD
View
Retailer 4
-
£154 GBP
$206 USD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
£154 GBP
$206 USD
View
B+
Retailer 6
-
£176 GBP
$236 USD
View
B+
Retailer 7
-
£276 GBP
$371 USD
View
B+
Retailer 8
-
£287 GBP
$385 USD
View
B+
Retailer 9
-
£306 GBP
View
B+
Retailer 10
-
£317 GBP
$425 USD
View
B
Retailer 11
-
£417 GBP
$560 USD
View
B
Retailer 12
-
£448 GBP
View
B
Retailer 13
-
£521 GBP
$699 USD
View
B
Retailer 14
-
£544 GBP
$730 USD
View
B
Retailer 15
-
£674 GBP
$904 USD
View
B
Retailer 16
-
£792 GBP
View
Most Expensive
C
Do Amore Diamonds
27-688D94E9E · Nov 2
£1,185 GBP
$1,590 USD
View
16 more retailers have this diamond
Prices start from £124 GBPSave up to £1,061 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
0.97ct Radiant
£124 GBP