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Asscher|Natural|GIA

1.00ct H SI1 Asscher Natural Diamond

EX • H/SI1 • GIA 1558551901

Certificate GIA 1558551901

Diamond specifications and retailer prices

From £1,194 GBP
HK$12,500 HKD
As of November 1, 2026
Save £1,049 GBP (47%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £2,243 GBP at With Clarity · As of November 1, 2026
View at With Clarity

About this 1ct natural asscher diamond

This 1ct natural asscher sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1558551901. Listed at 5 retailers as of November 1, 2026, with prices from £1,194 to £2,243, a £1,049 spread on the same certified stone. With Clarity lists it at £2,243. 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

1.00
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1558551901
Dimensions6.95 × 4.81 × 3.37 mm
L/W Ratio1.44
Girdle conditionPolished
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
6.95 mm4.81 mm1.00 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1558551901
Side View
Table 68.0%CrownGirdle: Very ThickPavilionCulet: NDepth 70.1%

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: Nov 1
Current: £1,194 GBP|Low: £1,185 GBP|High: £2,226 GBP|Avg: £1,569 GBP|-4.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
With Clarity
October 31, 2026
Retailer 1£1,194 GBP
Retailer 5£1,354 GBP
Retailer 3£1,459 GBP
Retailer 2£1,497 GBP
Retailer 4£1,657 GBP
With Clarity£2,226 GBP

11 data points across 6 retailers

5 retailers£1,194 GBP to £2,243 GBP

A
Cheapest Retailer
-
£1,194 GBP
HK$12,500 HKD
B+
Retailer 2
-
£1,459 GBP
$1,955 USD
View
B+
Retailer 3
-
£1,497 GBP
SGD 2,710 SGD
View
B+
Retailer 4
-
£1,657 GBP
SGD 3,001 SGD
View
Most Expensive
B
With Clarity
1558551901 · Nov 1
£2,243 GBP
$3,005 USD
View
4 more retailers have this diamond
Prices start from £1,194 GBPSave up to £1,049 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
1.00ct Asscher
£1,194 GBP