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Round|Natural|GIA

1.20ct H IF Round Natural Diamond

EX • H/IF • GIA 6545583394

Certificate GIA 6545583394

Diamond specifications and retailer prices

From £2,738 GBP
As of November 6, 2026
Save £368 GBP (12%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £3,107 GBP at Michael Trio · As of November 6, 2026
View at Michael Trio

About this 1.2ct natural round diamond

This 1.2ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 6545583394. Listed at 6 retailers as of November 6, 2026, with a relatively tight 13% spread, which is unusual at this carat range and suggests competitive pricing across the listings. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
H
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6545583394
Dimensions6.71 × 6.76 × 4.26 mm
L/W Ratio1.01
Top View
6.71 mm6.76 mm1.20 ctH / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6545583394
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 63.2%

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 6
Current: £3,107 GBP|Low: £2,635 GBP|High: £3,417 GBP|Avg: £3,043 GBP|-5.0%
Michael Trio
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 2£2,738 GBP
Retailer 4£2,926 GBP
Retailer 5£3,001 GBP
Retailer 6£3,054 GBP
Retailer 3£3,079 GBP
Michael Trio£3,107 GBP

46 data points across 6 retailers

6 retailers£2,738 GBP to £3,107 GBP

A
Cheapest Retailer
-
£2,738 GBP
A
Retailer 2
-
£2,926 GBP
View
A
Retailer 3
-
£3,001 GBP
View
Final sale: no returns
A
Retailer 4
-
£3,054 GBP
View
A
Retailer 5
-
£3,079 GBP
View
Most Expensive
A
Michael Trio
9306665500 · Nov 6
£3,107 GBP
SGD 5,619 SGD
View
5 more retailers have this diamond
Prices start from £2,738 GBPSave up to £368 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 Round
£2,738 GBP