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Round|Natural|GIA

1.01ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 3565274085

Certificate GIA 3565274085

Diamond specifications and retailer prices

From £1,750 GBP
As of November 6, 2026
Save £2,190 GBP (56%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £3,940 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.01ct natural round diamond

This 1.01ct 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 3565274085. Listed at 22 retailers as of November 5, 2026, with prices from £1,750 to £3,940, a £2,190 spread on the same certified stone. NZ Jewellers lists it at £3,940. 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

1.01
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 3565274085
Dimensions6.35 × 6.42 × 4.00 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Knot, Feather, Indented Natural, Crystal, Needle, Etch Channel
Top View
6.35 mm6.42 mm1.01 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 3565274085
Side View
Table 58.0%Crown 35°Girdle: THN-STKPavilion 41.2°Culet: NoneDepth 62.6%

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: £3,940 GBP|Low: £1,631 GBP|High: £3,940 GBP|Avg: £2,437 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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 6, 2026
Retailer 20£1,834 GBP
Retailer 12£1,853 GBP
Retailer 18£1,880 GBP
Retailer 19£1,891 GBP
Retailer 5£2,014 GBP
Retailer 10£2,048 GBP
Retailer 11£2,048 GBP
Retailer 6£2,127 GBP
Retailer 17£2,224 GBP
Retailer 7£2,240 GBP
Retailer 8£2,364 GBP
Retailer 2£2,380 GBP
Retailer 3£2,415 GBP
Retailer 14£2,468 GBP
Retailer 13£2,609 GBP
Retailer 9£2,624 GBP
Retailer 15£2,760 GBP
Retailer 4£3,260 GBP
Retailer 16£3,771 GBP
NZ Jewellers£3,940 GBP

40 data points across 20 retailers

22 retailers£1,750 GBP to £3,940 GBP

A
Cheapest Retailer
-
£1,750 GBP
B+
Retailer 2
-
£1,834 GBP
View
B+
Retailer 3
-
£1,853 GBP
View
A
Retailer 4
-
£1,880 GBP
View
B+
Retailer 5
-
£1,891 GBP
View
Final sale: no returns
B+
Retailer 6
-
£1,934 GBP
View
B+
Retailer 7
-
£2,014 GBP
View
Retailer 8
-
£2,048 GBP
View
Price last confirmed 8 days ago
B+
Retailer 9
-
£2,048 GBP
View
B+
Retailer 10
-
£2,127 GBP
View
B+
Retailer 11
-
£2,224 GBP
View
B+
Retailer 12
-
£2,240 GBP
View
B
Retailer 13
-
£2,364 GBP
View
B+
Retailer 14
-
£2,380 GBP
View
Retailer 15
-
£2,415 GBP
View
Price last confirmed 30 days ago
B+
Retailer 16
-
£2,468 GBP
View
B+
Retailer 17
-
£2,609 GBP
View
Retailer 18
-
£2,624 GBP
View
Price last confirmed 22 days ago
B
Retailer 19
-
£2,760 GBP
View
B
Retailer 20
-
£3,260 GBP
View
B
Retailer 21
-
£3,771 GBP
View
Most Expensive
B
NZ Jewellers
d7df8f32-33d8-4c15-9745-3a6ed1557596 · Nov 5
£3,940 GBP
$5,303 USD
View
21 more retailers have this diamond
Prices start from £1,750 GBPSave up to £2,190 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
1.01ct Round
£1,750 GBP