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Asscher|Natural|GIA

1.05ct F SI1 Asscher Natural Diamond

ID • F/SI1 • GIA 2

Certificate GIA 2

Diamond specifications and retailer prices

From £3,254 GBP
$4,367 USD
As of November 2, 2026
Save £858 GBP (21%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £4,113 GBP at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 1.05ct natural asscher diamond

This 1.05ct 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. Listed at 3 retailers as of October 31, 2026, with prices from £3,254 to £4,113, a £858 spread on the same certified stone. Blue Nile lists it at £4,113. 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

1.05
Carat
F
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2
Dimensions5.68 × 5.65 × 3.80 mm
L/W Ratio1.01
Top View
5.68 mm5.65 mm1.05 ctF / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2
Side View
Table 63.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.3%

Caratlytics Score

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

Price History

Last verified: Nov 2
Current: £4,113 GBP|Low: £3,212 GBP|High: £7,235 GBP|Avg: £4,325 GBP
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
September 29, 2026
Retailer 3£3,254 GBP
Retailer 8£3,460 GBP
Retailer 2£3,919 GBP
Retailer 4£3,919 GBP
Retailer 6£3,919 GBP
Blue Nile£4,113 GBP
Retailer 7£4,522 GBP
Retailer 5£7,235 GBP

3 data points across 8 retailers

3 retailers£3,254 GBP to £4,113 GBP

B+
Cheapest Retailer
-
£3,254 GBP
$4,367 USD
B
Retailer 2
-
£3,460 GBP
$4,644 USD
View
Most Expensive
B
Blue Nile
21517938 · Oct 31
£4,113 GBP
$5,519 USD
View
2 more retailers have this diamond
Prices start from £3,254 GBPSave up to £858 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+
1.05ct Asscher
£3,254 GBP