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Round|Natural|GIA

1.01ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 2547977585

Certificate GIA 2547977585

Diamond specifications and retailer prices

From £1,406 GBP
$1,884 USD
As of October 31, 2026
Save £2,309 GBP (62%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £3,715 GBP at NZ Jewellers · As of October 30, 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 J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2547977585. Listed at 20 retailers as of October 30, 2026, with prices from £1,406 to £3,715, a £2,309 spread on the same certified stone. NZ Jewellers lists it at £3,715. 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
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle35°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2547977585
Dimensions6.34 × 6.37 × 4.00 mm
L/W Ratio1.00
Top View
6.34 mm6.37 mm1.01 ctJ / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2547977585
Side View
Table 59.0%Crown 35°Girdle: THN-STKPavilion 41.6°Culet: NoneDepth 62.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £3,715 GBP|Low: £1,278 GBP|High: £3,715 GBP|Avg: £1,990 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
October 30, 2026
Retailer 8£1,406 GBP
Retailer 11£1,428 GBP
Retailer 12£1,610 GBP
Retailer 13£1,610 GBP
Retailer 4£1,652 GBP
Retailer 9£1,684 GBP
Retailer 10£1,764 GBP
Retailer 3£1,858 GBP
Retailer 6£1,887 GBP
Retailer 2£2,087 GBP
Retailer 5£2,115 GBP
Retailer 7£3,117 GBP
NZ Jewellers£3,715 GBP

36 data points across 13 retailers

20 retailers£1,406 GBP to £3,715 GBP

B+
Cheapest Retailer
-
£1,406 GBP
$1,884 USD
Final sale: no returns
B+
Retailer 2
-
£1,413 GBP
$1,893 USD
View
B+
Retailer 3
-
£1,428 GBP
$1,914 USD
View
B+
Retailer 4
-
£1,516 GBP
$2,031 USD
View
B+
Retailer 5
-
£1,610 GBP
$2,157 USD
View
B+
Retailer 6
-
£1,652 GBP
$2,213 USD
View
B
Retailer 7
-
£1,684 GBP
$2,257 USD
View
B
Retailer 8
-
£1,743 GBP
$2,335 USD
View
B
Retailer 9
-
£1,743 GBP
$2,335 USD
View
B
Retailer 10
-
£1,757 GBP
CA$3,269 CAD
View
B
Retailer 11
-
£1,764 GBP
$2,363 USD
View
B
Retailer 12
-
£1,858 GBP
$2,489 USD
View
B
Retailer 13
-
£1,866 GBP
$2,500 USD
View
B
Retailer 14
-
£1,866 GBP
$2,500 USD
View
B+
Retailer 15
-
£1,887 GBP
View
B
Retailer 16
-
£1,926 GBP
$2,580 USD
View
B
Retailer 17
-
£2,087 GBP
€2,663 EUR
View
B
Retailer 18
-
£2,149 GBP
$2,879 USD
View
B
Retailer 19
-
£3,117 GBP
View
Most Expensive
C
NZ Jewellers
b8babc7c-7e6c-4b5f-b8e1-a95b03f6ceb5 · Oct 30
£3,715 GBP
$4,978 USD
View
19 more retailers have this diamond
Prices start from £1,406 GBPSave up to £2,309 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.

B+
1.01ct Round
£1,406 GBP