Round|Natural|GIA

1.20ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 6565000093

Certificate GIA 6565000093

Diamond specifications and retailer prices

From £2,180 GBP
As of November 6, 2026
Save £2,753 GBP (56%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £4,933 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6565000093. Listed at 23 retailers as of November 5, 2026, with prices from £2,180 to £4,933, a £2,753 spread on the same certified stone. NZ Jewellers lists it at £4,933. 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

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6565000093
Dimensions6.74 × 6.77 × 4.19 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Crystal, Feather, Natural
Top View
6.74 mm6.77 mm1.20 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6565000093
Side View
Table 61.0%Crown 34°Girdle: THN-STKPavilion 41.6°Culet: NoneDepth 62.1%

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 6
Current: £4,933 GBP|Low: £2,161 GBP|High: £4,994 GBP|Avg: £3,143 GBP
NZ Jewellers
Retailer 2
Retailer 3
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Retailer 12
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Retailer 17
Retailer 18
Retailer 19
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Retailer 22
November 6, 2026
Retailer 3£2,180 GBP
Retailer 17£2,185 GBP
Retailer 22£2,413 GBP
Retailer 18£2,496 GBP
Retailer 12£2,513 GBP
Retailer 8£2,677 GBP
Retailer 2£2,710 GBP
Retailer 4£2,712 GBP
Retailer 13£2,753 GBP
Retailer 6£2,832 GBP
Retailer 9£2,832 GBP
Retailer 20£2,912 GBP
Retailer 5£2,941 GBP
Retailer 7£2,941 GBP
Retailer 10£3,012 GBP
Retailer 19£3,192 GBP
Retailer 11£3,267 GBP
Retailer 16£3,456 GBP
Retailer 15£4,110 GBP
Retailer 14£4,224 GBP
Retailer 21£4,723 GBP
NZ Jewellers£4,933 GBP

21 data points across 22 retailers

23 retailers£2,180 GBP to £4,933 GBP

A
Cheapest Retailer
-
£2,180 GBP
A
Retailer 2
-
£2,185 GBP
View
B+
Retailer 3
-
£2,413 GBP
View
B+
Retailer 4
-
£2,496 GBP
View
B+
Retailer 5
-
£2,513 GBP
View
B+
Retailer 6
-
£2,677 GBP
View
B+
Retailer 7
-
£2,710 GBP
View
B
Retailer 8
-
£2,712 GBP
View
B+
Retailer 9
-
£2,753 GBP
View
B
Retailer 10
-
£2,832 GBP
View
Retailer 11
-
£2,832 GBP
View
Price last confirmed 8 days ago
B+
Retailer 12
-
£2,912 GBP
View
B+
Retailer 13
-
£2,941 GBP
View
B+
Retailer 14
-
£2,941 GBP
View
B+
Retailer 15
-
£3,012 GBP
View
Retailer 16
-
£3,184 GBP
View
Price last confirmed 33 days ago
B+
Retailer 17
-
£3,192 GBP
View
B
Retailer 18
-
£3,267 GBP
View
B
Retailer 19
-
£3,456 GBP
View
B
Retailer 20
-
£4,110 GBP
View
B
Retailer 21
-
£4,224 GBP
View
B
Retailer 22
-
£4,723 GBP
View
Most Expensive
B
NZ Jewellers
8780f0be-69f8-4e7d-bdd6-8078473ce4a6 · Nov 5
£4,933 GBP
$6,603 USD
View
22 more retailers have this diamond
Prices start from £2,180 GBPSave up to £2,753 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
£2,180 GBP