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Round|Natural|GIA

1.01ct J IF Round Natural Diamond

EX • J/IF • GIA 1553207617

Certificate GIA 1553207617

Diamond specifications and retailer prices

From £1,588 GBP
As of November 6, 2026
Save £2,825 GBP (64%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £4,413 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 J colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 1553207617. Listed at 20 retailers as of November 5, 2026, with prices from £1,588 to £4,413, a £2,825 spread on the same certified stone. NZ Jewellers lists it at £4,413. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.01
Carat
J
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 1553207617
Dimensions6.40 × 6.44 × 3.98 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.40 mm6.44 mm1.01 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1553207617
Side View
Table 60.0%Crown 34°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 62.0%

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: £4,413 GBP|Low: £1,569 GBP|High: £4,413 GBP|Avg: £2,263 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 8£1,588 GBP
Retailer 17£1,594 GBP
Retailer 18£1,814 GBP
Retailer 2£1,880 GBP
Retailer 19£1,908 GBP
Retailer 12£1,948 GBP
Retailer 6£2,043 GBP
Retailer 10£2,110 GBP
Retailer 7£2,111 GBP
Retailer 4£2,155 GBP
Retailer 5£2,192 GBP
Retailer 13£2,207 GBP
Retailer 14£2,242 GBP
Retailer 11£2,424 GBP
Retailer 9£2,436 GBP
Retailer 16£2,467 GBP
Retailer 15£2,488 GBP
Retailer 3£3,070 GBP
Retailer 20£3,687 GBP
NZ Jewellers£4,413 GBP

35 data points across 20 retailers

20 retailers£1,588 GBP to £4,413 GBP

A
Cheapest Retailer
-
£1,588 GBP
A
Retailer 2
-
£1,594 GBP
View
A
Retailer 3
-
£1,814 GBP
View
A
Retailer 4
-
£1,880 GBP
View
A
Retailer 5
-
£1,908 GBP
View
A
Retailer 6
-
£1,948 GBP
View
Final sale: no returns
A
Retailer 7
-
£2,043 GBP
View
A
Retailer 8
-
£2,110 GBP
View
B+
Retailer 9
-
£2,111 GBP
View
B+
Retailer 10
-
£2,155 GBP
View
B+
Retailer 11
-
£2,192 GBP
View
B+
Retailer 12
-
£2,207 GBP
View
B+
Retailer 13
-
£2,242 GBP
View
B+
Retailer 14
-
£2,424 GBP
View
B+
Retailer 15
-
£2,436 GBP
View
B+
Retailer 16
-
£2,467 GBP
View
B+
Retailer 17
-
£2,488 GBP
View
B
Retailer 18
-
£3,070 GBP
View
B
Retailer 19
-
£3,687 GBP
View
Most Expensive
B
NZ Jewellers
0d71f599-f36d-48ca-9df2-8024c175d77b · Nov 5
£4,413 GBP
$5,939 USD
View
19 more retailers have this diamond
Prices start from £1,588 GBPSave up to £2,825 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
£1,588 GBP