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Radiant|Natural|GIA

1.21ct G SI2 Radiant Natural Diamond

ID • G/SI2 • GIA 7568163351

Certificate GIA 7568163351

Diamond specifications and retailer prices

From £1,586 GBP
HK$16,600 HKD
As of October 31, 2026
Save £2,681 GBP (63%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £4,267 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.21ct natural radiant diamond

This 1.21ct natural radiant sits in the classic one-carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7568163351. Listed at 10 retailers as of October 30, 2026, with prices from £1,586 to £4,267, a £2,681 spread on the same certified stone. NZ Jewellers lists it at £4,267. 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

1.21
Carat
G
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7568163351
Dimensions7.63 × 5.38 × 3.35 mm
L/W Ratio1.42
Culet sizeNone
Key to symbols
Feather, Twinning Wisp, Crystal, Needle
Top View
7.63 mm5.38 mm1.21 ctG / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7568163351
Side View
Table 66.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 62.3%

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 31
Current: £4,267 GBP|Low: £1,567 GBP|High: £4,511 GBP|Avg: £2,385 GBP|-5.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 3£1,586 GBP
Retailer 2£1,598 GBP
Retailer 10£1,884 GBP
Retailer 4£2,024 GBP
Retailer 8£2,040 GBP
Retailer 5£2,120 GBP
Retailer 9£2,202 GBP
Retailer 6£2,355 GBP
Retailer 7£3,580 GBP
NZ Jewellers£4,267 GBP

34 data points across 10 retailers

10 retailers£1,586 GBP to £4,267 GBP

A
Cheapest Retailer
-
£1,586 GBP
HK$16,600 HKD
A
Retailer 2
-
£1,598 GBP
₹203,927 INR
View
A
Retailer 3
-
£1,884 GBP
$2,524 USD
View
Final sale: no returns
A
Retailer 4
-
£2,024 GBP
View
A
Retailer 5
-
£2,040 GBP
$2,734 USD
View
A
Retailer 6
-
£2,120 GBP
$2,840 USD
View
A
Retailer 7
-
£2,202 GBP
$2,951 USD
View
B+
Retailer 8
-
£2,355 GBP
$3,155 USD
View
B
Retailer 9
-
£3,580 GBP
View
Most Expensive
B
NZ Jewellers
a9b0f926-9dd9-4e65-a7e7-f1d0e0d6c79e · Oct 30
£4,267 GBP
$5,717 USD
View
9 more retailers have this diamond
Prices start from £1,586 GBPSave up to £2,681 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
1.21ct Radiant
£1,586 GBP