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Radiant|Lab Grown|GIA

5.23ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • GIA 7456834979

Certificate GIA 7456834979

Diamond specifications and retailer prices

From £1,413 GBP
$1,896 USD
As of November 1, 2026
Save £3,724 GBP (72%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £5,137 GBP at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 5.23ct lab-grown radiant diamond

This 5.23ct lab-grown radiant sits in the over five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7456834979. Listed at 14 retailers as of October 31, 2026, with prices from £1,413 to £5,137, a £3,724 spread on the same certified stone. Taylor and Hart lists it at £5,137. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

5.23
Carat
F
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 7456834979
Dimensions12.10 × 8.53 × 5.85 mm
L/W Ratio1.42
Top View
12.10 mm8.53 mm5.23 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7456834979
Side View
Table 65.0%CrownGirdle: UNDPavilionCulet: NoneDepth 68.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £2,051 GBP|Low: £1,413 GBP|High: £6,043 GBP|Avg: £2,543 GBP|-0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 3, 2026
Retailer 7£1,413 GBP
Retailer 10£1,464 GBP
Retailer 9£1,591 GBP
Retailer 2£1,673 GBP
Retailer 1£2,051 GBP
Retailer 6£2,094 GBP
Retailer 3£2,273 GBP
Retailer 8£2,524 GBP
Retailer 5£3,048 GBP
Retailer 4£4,181 GBP

42 data points across 10 retailers

14 retailers£1,413 GBP to £5,137 GBP

Retailer 1
-
£1,262 GBP
$1,694 USD
Price last confirmed 14 days ago
B+
Retailer 2
-
£1,413 GBP
$1,896 USD
View
Final sale: no returns
Retailer 3
-
£1,464 GBP
$1,964 USD
View
Price last confirmed 14 days ago
B+
Retailer 4
-
£1,508 GBP
$2,023 USD
View
B+
Retailer 5
-
£1,591 GBP
$2,135 USD
View
B
Retailer 6
-
£1,673 GBP
$2,245 USD
View
B+
Retailer 7
-
£2,051 GBP
View
B
Retailer 8
-
£2,094 GBP
$2,810 USD
View
B+
Retailer 9
-
£2,273 GBP
€2,905 EUR
View
B
Retailer 10
-
£2,524 GBP
$3,387 USD
View
B
Retailer 11
-
£3,048 GBP
$4,090 USD
View
B
Retailer 12
-
£3,925 GBP
$5,267 USD
View
B
Retailer 13
-
£4,181 GBP
View
Most Expensive
B
Taylor and Hart
Y83PSAA · Oct 31
£5,137 GBP
$6,893 USD
View
13 more retailers have this diamond
Prices start from £1,413 GBPSave up to £3,724 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.

B+
5.23ct Radiant
£1,413 GBP