CaratHunter
Plans
Round|Natural|GIA

1.00ct D I1 Round Natural Diamond

EX • D/I1 • GIA 2498047582

Certificate GIA 2498047582

Diamond specifications and retailer prices

From £1,137 GBP
HK$11,900 HKD
As of October 30, 2026
Save £2,096 GBP (65%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £3,232 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 2498047582. Listed at 9 retailers as of October 30, 2026, with prices from £1,137 to £3,232, a £2,096 spread on the same certified stone. NZ Jewellers lists it at £3,232. 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
FluorescenceStrong
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2498047582
Dimensions6.34 × 6.37 × 4.01 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
6.34 mm6.37 mm1.00 ctD / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 2498047582
Side View
Table 56.0%Crown 36.5°GirdlePavilion 40.8°Culet: NoneDepth 63.2%

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 30
Current: £3,232 GBP|Low: £1,137 GBP|High: £3,300 GBP|Avg: £1,777 GBP|-2.0%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 29, 2026
Retailer 5£1,137 GBP
Retailer 9£1,396 GBP
Retailer 6£1,478 GBP
Retailer 3£1,546 GBP
Retailer 7£1,546 GBP
Retailer 4£1,617 GBP
Retailer 8£1,784 GBP
Retailer 2£2,117 GBP
NZ Jewellers£3,232 GBP

16 data points across 9 retailers

9 retailers£1,137 GBP to £3,232 GBP

A
Cheapest Retailer
-
£1,137 GBP
HK$11,900 HKD
B+
Retailer 2
-
£1,396 GBP
$1,871 USD
View
A
Retailer 3
-
£1,478 GBP
$1,980 USD
View
B+
Retailer 4
-
£1,546 GBP
$2,072 USD
View
B+
Retailer 5
-
£1,546 GBP
$2,072 USD
View
B+
Retailer 6
-
£1,617 GBP
$2,167 USD
View
B+
Retailer 7
-
£1,784 GBP
$2,390 USD
View
B
Retailer 8
-
£2,117 GBP
€2,701 EUR
View
Most Expensive
B
NZ Jewellers
1193e4bf-0d6e-40ac-b218-52245bbaf073 · Oct 30
£3,232 GBP
$4,331 USD
View
8 more retailers have this diamond
Prices start from £1,137 GBPSave up to £2,096 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
£1,137 GBP