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Round|Natural|GIA

1.00ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 7561200262

Certificate GIA 7561200262

Diamond specifications and retailer prices

From £1,147 GBP
As of November 6, 2026
Save £2,195 GBP (66%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £3,342 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7561200262. Listed at 12 retailers as of November 5, 2026, with prices from £1,147 to £3,342, a £2,195 spread on the same certified stone. NZ Jewellers lists it at £3,342. 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
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 7561200262
Dimensions6.32 × 6.37 × 4.00 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Needle, Indented Natural, Natural
Top View
6.32 mm6.37 mm1.00 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7561200262
Side View
Table 55.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.1%

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: £1,147 GBP|Low: £1,147 GBP|High: £2,835 GBP|Avg: £1,817 GBP|-6.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 1£1,147 GBP
Retailer 7£1,444 GBP
Retailer 2£1,642 GBP
Retailer 8£1,672 GBP
Retailer 5£1,726 GBP
Retailer 4£1,776 GBP
Retailer 3£1,958 GBP
Retailer 6£2,800 GBP

40 data points across 8 retailers

12 retailers£1,147 GBP to £3,342 GBP

A
Cheapest Retailer
-
£1,147 GBP
A
Retailer 2
-
£1,401 GBP
View
A
Retailer 3
-
£1,444 GBP
View
A
Retailer 4
-
£1,598 GBP
View
Retailer 5
-
£1,598 GBP
View
Price last confirmed 12 days ago
A
Retailer 6
-
£1,642 GBP
View
B+
Retailer 7
-
£1,672 GBP
View
A
Retailer 8
-
£1,726 GBP
View
B+
Retailer 9
-
£1,776 GBP
View
B+
Retailer 10
-
£1,958 GBP
View
B
Retailer 11
-
£2,800 GBP
View
Most Expensive
B
NZ Jewellers
c5364144-ec9f-4df1-9b71-5721a87b1eab · Nov 5
£3,342 GBP
$4,498 USD
View
11 more retailers have this diamond
Prices start from £1,147 GBPSave up to £2,195 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 Round
£1,147 GBP