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Round|Natural|GIA

1.20ct H SI2 Round Natural Diamond

VG • H/SI2 • GIA 2546690895

Certificate GIA 2546690895

Diamond specifications and retailer prices

From £1,493 GBP
As of November 6, 2026
Save £2,750 GBP (65%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £4,242 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

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 SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 2546690895. Listed at 17 retailers as of November 5, 2026, with prices from £1,493 to £4,242, a £2,750 spread on the same certified stone. NZ Jewellers lists it at £4,242. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.20
Carat
H
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37.5°
Pavilion angle40.2°
OriginNatural
Grading LabGIA
CertificateGIA 2546690895
Dimensions6.61 × 6.69 × 4.18 mm
L/W Ratio1.01
Top View
6.61 mm6.69 mm1.20 ctH / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2546690895
Side View
Table 59.0%Crown 37.5°Girdle: THN-THKPavilion 40.2°Culet: NoneDepth 62.8%

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: £4,242 GBP|Low: £1,474 GBP|High: £4,242 GBP|Avg: £2,289 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 6, 2026
Retailer 14£1,493 GBP
Retailer 15£1,692 GBP
Retailer 11£1,869 GBP
Retailer 16£1,872 GBP
Retailer 3£1,921 GBP
Retailer 7£1,930 GBP
Retailer 9£1,956 GBP
Retailer 6£2,029 GBP
Retailer 2£2,072 GBP
Retailer 4£2,107 GBP
Retailer 5£2,190 GBP
Retailer 8£2,341 GBP
Retailer 12£2,360 GBP
Retailer 10£2,373 GBP
Retailer 13£3,546 GBP
NZ Jewellers£4,242 GBP

43 data points across 16 retailers

17 retailers£1,493 GBP to £4,242 GBP

A
Cheapest Retailer
-
£1,493 GBP
A
Retailer 2
-
£1,692 GBP
View
B+
Retailer 3
-
£1,817 GBP
View
A
Retailer 4
-
£1,869 GBP
View
B+
Retailer 5
-
£1,872 GBP
View
Final sale: no returns
B+
Retailer 6
-
£1,930 GBP
View
B+
Retailer 7
-
£1,951 GBP
View
A
Retailer 8
-
£1,956 GBP
View
Retailer 9
-
£2,029 GBP
View
Price last confirmed 8 days ago
B+
Retailer 10
-
£2,072 GBP
View
B+
Retailer 11
-
£2,107 GBP
View
B+
Retailer 12
-
£2,190 GBP
View
B+
Retailer 13
-
£2,341 GBP
View
B+
Retailer 14
-
£2,360 GBP
View
B+
Retailer 15
-
£2,373 GBP
View
B
Retailer 16
-
£3,546 GBP
View
Most Expensive
B
NZ Jewellers
2c9118b4-4828-47a0-bd2d-256b5de38a58 · Nov 5
£4,242 GBP
$5,710 USD
View
16 more retailers have this diamond
Prices start from £1,493 GBPSave up to £2,750 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
£1,493 GBP