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Asscher|Natural|GIA

1.21ct F SI1 Asscher Natural Diamond

EX • F/SI1 • GIA 7518594035

Certificate GIA 7518594035

Diamond specifications and retailer prices

From £2,956 GBP
As of November 6, 2026
Save £1,515 GBP (34%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £4,471 GBP at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

About this 1.21ct natural asscher diamond

This 1.21ct natural asscher sits in the classic one-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 7518594035. Listed at 5 retailers as of November 6, 2026, with prices from £2,956 to £4,471, a £1,515 spread on the same certified stone. 77 Diamonds lists it at £4,471. 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
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.73°
Pavilion angle56.96°
OriginNatural
Grading LabGIA
CertificateGIA 7518594035
Dimensions7.29 × 5.33 × 3.67 mm
L/W Ratio1.37
Key to symbols
Feather, Crystal, Cloud, Needle
Top View
7.29 mm5.33 mm1.21 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7518594035
Side View
Table 65.0%Crown 42.73°Girdle: THK-VTKPavilion 56.96°Culet: NoneDepth 68.8%

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 6
Current: £4,471 GBP|Low: £2,956 GBP|High: £4,529 GBP|Avg: £3,439 GBP|-0.1%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 3£2,956 GBP
Retailer 2£3,180 GBP
Retailer 5£3,198 GBP
Retailer 4£3,361 GBP
77 Diamonds£4,471 GBP

37 data points across 5 retailers

5 retailers£2,956 GBP to £4,471 GBP

B+
Cheapest Retailer
-
£2,956 GBP
B+
Retailer 2
-
£3,180 GBP
View
B+
Retailer 3
-
£3,198 GBP
View
B+
Retailer 4
-
£3,361 GBP
View
Most Expensive
B
77 Diamonds
RADZRXVJNSYM · Nov 6
£4,471 GBP
View
4 more retailers have this diamond
Prices start from £2,956 GBPSave up to £1,515 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+
1.21ct Asscher
£2,956 GBP