Round|Natural|GIA

1.01ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 6512819577

Certificate GIA 6512819577

Diamond specifications and retailer prices

From £1,322 GBP
As of November 6, 2026
Save £2,384 GBP (64%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £3,706 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6512819577. Listed at 18 retailers as of November 5, 2026, with prices from £1,322 to £3,706, a £2,384 spread on the same certified stone. NZ Jewellers lists it at £3,706. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6512819577
Dimensions6.47 × 6.41 × 3.89 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Top View
6.47 mm6.41 mm1.01 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6512819577
Side View
Table 62.0%Crown 33°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 60.4%

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: £3,706 GBP|Low: £1,322 GBP|High: £3,706 GBP|Avg: £2,049 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
November 6, 2026
Retailer 13£1,322 GBP
Retailer 6£1,554 GBP
Retailer 3£1,636 GBP
Retailer 2£1,649 GBP
Retailer 7£1,667 GBP
Retailer 4£1,773 GBP
Retailer 15£1,773 GBP
Retailer 8£1,833 GBP
Retailer 14£1,855 GBP
Retailer 11£1,864 GBP
Retailer 9£2,033 GBP
Retailer 5£2,045 GBP
Retailer 10£2,196 GBP
Retailer 12£3,097 GBP
NZ Jewellers£3,706 GBP

36 data points across 15 retailers

18 retailers£1,322 GBP to £3,706 GBP

A
Cheapest Retailer
-
£1,322 GBP
Retailer 2
-
£1,554 GBP
View
Price last confirmed 26 days ago
A
Retailer 3
-
£1,601 GBP
View
A
Retailer 4
-
£1,636 GBP
View
Final sale: no returns
A
Retailer 5
-
£1,649 GBP
View
A
Retailer 6
-
£1,667 GBP
View
B+
Retailer 7
-
£1,773 GBP
View
Retailer 8
-
£1,773 GBP
View
Price last confirmed 8 days ago
B+
Retailer 9
-
£1,833 GBP
View
B+
Retailer 10
-
£1,855 GBP
View
B+
Retailer 11
-
£1,864 GBP
View
B+
Retailer 12
-
£1,876 GBP
View
B+
Retailer 13
-
£1,964 GBP
View
B+
Retailer 14
-
£2,033 GBP
View
B+
Retailer 15
-
£2,045 GBP
View
B+
Retailer 16
-
£2,196 GBP
View
B
Retailer 17
-
£3,097 GBP
View
Most Expensive
B
NZ Jewellers
063274cb-b946-4b26-8cc4-90445e73d5fe · Nov 5
£3,706 GBP
$4,988 USD
View
17 more retailers have this diamond
Prices start from £1,322 GBPSave up to £2,384 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
£1,322 GBP