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Round|Natural|GIA

1.00ct D I1 Round Natural Diamond

EX • D/I1 • GIA 7498539958

Certificate GIA 7498539958

Diamond specifications and retailer prices

From £1,314 GBP
₹167,643 INR
As of October 31, 2026
Save £2,340 GBP (64%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £3,653 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded D colour (colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 7498539958. Listed at 8 retailers as of October 30, 2026, with prices from £1,314 to £3,653, a £2,340 spread on the same certified stone. NZ Jewellers lists it at £3,653. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
D
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle33°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 7498539958
Dimensions6.40 × 6.45 × 3.97 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Girdle conditionFaceted
Key to symbols
Cloud, Crystal, Feather, Indented Natural, Needle
Top View
6.40 mm6.45 mm1.00 ctD / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7498539958
Side View
Table 58.0%Crown 33°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 61.8%

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: Oct 31
Current: £3,653 GBP|Low: £1,310 GBP|High: £3,653 GBP|Avg: £1,906 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 2£1,314 GBP
Retailer 4£1,578 GBP
Retailer 9£1,697 GBP
Retailer 6£1,747 GBP
Retailer 7£1,747 GBP
Retailer 5£1,828 GBP
Retailer 8£2,016 GBP
Retailer 3£2,189 GBP
NZ Jewellers£3,653 GBP

45 data points across 9 retailers

8 retailers£1,314 GBP to £3,653 GBP

A
Cheapest Retailer
-
£1,314 GBP
₹167,643 INR
B+
Retailer 2
-
£1,578 GBP
$2,115 USD
View
B+
Retailer 3
-
£1,747 GBP
$2,341 USD
View
B+
Retailer 4
-
£1,747 GBP
$2,341 USD
View
B+
Retailer 5
-
£1,828 GBP
$2,449 USD
View
B+
Retailer 6
-
£2,016 GBP
$2,701 USD
View
B+
Retailer 7
-
£2,189 GBP
€2,793 EUR
View
Most Expensive
B
NZ Jewellers
d94284c9-8893-4c4e-8ad8-43671e7af016 · Oct 30
£3,653 GBP
$4,895 USD
View
7 more retailers have this diamond
Prices start from £1,314 GBPSave up to £2,340 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
£1,314 GBP