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Asscher|Natural|GIA

1.23ct H SI2 Asscher Natural Diamond

ID • H/SI2 • GIA 5231631601

Certificate GIA 5231631601

Diamond specifications and retailer prices

From £1,389 GBP
As of November 2, 2026
Save £1,073 GBP (44%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £2,463 GBP at MOH London · As of November 2, 2026
View at MOH London

About this 1.23ct natural asscher diamond

This 1.23ct natural asscher sits in the classic one-carat band, graded H 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 5231631601. Listed at 3 retailers as of November 2, 2026, with prices from £1,389 to £2,463, a £1,073 spread on the same certified stone. MOH London lists it at £2,463. 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

1.23
Carat
H
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle47.67°
Pavilion angle57.33°
OriginNatural
Grading LabGIA
CertificateGIA 5231631601
Dimensions5.84 × 5.82 × 3.95 mm
L/W Ratio1.00
Top View
5.84 mm5.82 mm1.23 ctH / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5231631601
Side View
Table 67.0%Crown 47.67°Girdle: ThickPavilion 57.33°Culet: NoneDepth 67.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £2,463 GBP|Low: £1,389 GBP|High: £2,530 GBP|Avg: £1,760 GBP|-1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 2£1,389 GBP
Retailer 3£1,505 GBP
Retailer 7£1,639 GBP
Retailer 4£1,644 GBP
Retailer 5£1,738 GBP
Retailer 8£1,768 GBP
Retailer 6£1,809 GBP
MOH London£2,463 GBP

27 data points across 8 retailers

3 retailers£1,389 GBP to £2,463 GBP

A
Cheapest Retailer
-
£1,389 GBP
A
Retailer 2
-
£1,505 GBP
View
Most Expensive
B+
MOH London
6E848BF8A · Nov 2
£2,463 GBP
View
2 more retailers have this diamond
Prices start from £1,389 GBPSave up to £1,073 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
1.23ct Asscher
£1,389 GBP