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Asscher|Natural|GIA

1.20ct H SI1 Asscher Natural Diamond

EX • H/SI1 • GIA 6545458418

Certificate GIA 6545458418

Diamond specifications and retailer prices

From £1,836 GBP
As of November 6, 2026
Save £1,687 GBP (48%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £3,523 GBP at With Clarity · As of November 6, 2026
View at With Clarity

About this 1.2ct natural asscher diamond

This 1.2ct 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 6545458418. Listed at 4 retailers as of November 6, 2026, with prices from £1,836 to £3,523, a £1,687 spread on the same certified stone. With Clarity lists it at £3,523. 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

1.20
Carat
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6545458418
Dimensions7.15 × 5.19 × 3.63 mm
L/W Ratio1.38
Top View
7.15 mm5.19 mm1.20 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6545458418
Side View
Table 62.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 69.9%

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 6
Current: £2,223 GBP|Low: £1,836 GBP|High: £3,591 GBP|Avg: £2,493 GBP|-3.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
With Clarity
November 5, 2026
Retailer 2£1,836 GBP
Retailer 3£2,208 GBP
Retailer 1£2,223 GBP
Retailer 4£2,471 GBP
With Clarity£3,523 GBP

17 data points across 5 retailers

4 retailers£1,836 GBP to £3,523 GBP

A
Cheapest Retailer
-
£1,836 GBP
B+
Retailer 2
-
£2,208 GBP
View
B+
Retailer 3
-
£2,223 GBP
View
Most Expensive
B
With Clarity
6545458418 · Nov 6
£3,523 GBP
$4,715 USD
View
3 more retailers have this diamond
Prices start from £1,836 GBPSave up to £1,687 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
1.20ct Asscher
£1,836 GBP