CaratHunter
Plans
Round|Natural|GIA

1.00ct I IF Round Natural Diamond

EX • I/IF • GIA 2567017903

Certificate GIA 2567017903

Diamond specifications and retailer prices

From £1,630 GBP
As of November 4, 2026
Save £2,881 GBP (64%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £4,541 GBP at NZ Jewellers · As of September 1, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 2567017903. Listed at 19 retailers as of November 4, 2026, with a 177% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
I
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2567017903
Dimensions6.31 × 6.36 × 3.97 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
6.31 mm6.36 mm1.00 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 2567017903
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.6%

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 4
Current: £4,510 GBP|Low: £1,597 GBP|High: £4,539 GBP|Avg: £2,477 GBP|-0.4%
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 5, 2026
Retailer 12£1,630 GBP
Retailer 15£1,944 GBP
Retailer 13£2,122 GBP
Retailer 3£2,130 GBP
Retailer 7£2,139 GBP
Retailer 2£2,158 GBP
Retailer 11£2,254 GBP
Retailer 8£2,284 GBP
Retailer 4£2,311 GBP
Retailer 5£2,382 GBP
Retailer 10£2,497 GBP
Retailer 14£2,505 GBP
Retailer 6£2,628 GBP
Retailer 9£3,621 GBP
NZ Jewellers£4,510 GBP

22 data points across 15 retailers

19 retailers£1,630 GBP to £4,510 GBP

A
Cheapest Retailer
-
£1,630 GBP
A
Retailer 2
-
£1,944 GBP
View
A
Retailer 3
-
£2,122 GBP
View
A
Retailer 4
-
£2,130 GBP
View
A
Retailer 5
-
£2,139 GBP
View
A
Retailer 6
-
£2,158 GBP
View
Retailer 7
-
£2,172 GBP
View
Price last confirmed 59 days ago
A
Retailer 8
-
£2,254 GBP
View
A
Retailer 9
-
£2,284 GBP
View
A
Retailer 10
-
£2,311 GBP
View
A
Retailer 11
-
£2,382 GBP
View
Retailer 12
-
£2,433 GBP
View
Price last confirmed 29 days ago
A
Retailer 13
-
£2,497 GBP
View
A
Retailer 14
-
£2,505 GBP
View
Retailer 15
-
£2,506 GBP
View
Price last confirmed 59 days ago
A
Retailer 16
-
£2,628 GBP
View
B+
Retailer 17
-
£3,621 GBP
View
B
Retailer 18
-
£4,510 GBP
View
Most Expensive
NZ Jewellers
4822dcc5-aa83-479b-8c12-921e280a57c5 · Sep 1
£4,541 GBP
$6,130 USD
View
Price last confirmed 64 days ago
18 more retailers have this diamond
Prices start from £1,630 GBPSave up to £2,881 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
£1,630 GBP