CaratHunter
Plans
Round|Natural|GIA

1.00ct K I2 Round Natural Diamond

EX • K/I2 • GIA 5231108434

Certificate GIA 5231108434

Diamond specifications and retailer prices

From £895 GBP
As of November 4, 2026
Save £1,623 GBP (64%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £2,518 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded K colour (faint-tinted) and I2 clarity (included), with a top-tier cut grade and certified by GIA 5231108434. Listed at 8 retailers as of November 4, 2026, with prices from £895 to £2,518, a £1,623 spread on the same certified stone. NZ Jewellers lists it at £2,518. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
K
Colour
I2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle33°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 5231108434
Dimensions6.37 × 6.41 × 3.90 mm
L/W Ratio1.01
Top View
6.37 mm6.41 mm1.00 ctK / I2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5231108434
Side View
Table 62.0%Crown 33°Girdle: Slightly ThickPavilion 41.6°Culet: NoneDepth 61.1%

Caratlytics Score

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

Price History

Last verified: Nov 4
Current: £2,518 GBP|Low: £895 GBP|High: £2,518 GBP|Avg: £1,284 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 8£895 GBP
Retailer 5£935 GBP
Retailer 7£935 GBP
Retailer 3£971 GBP
Retailer 6£1,079 GBP
Retailer 2£1,430 GBP
Retailer 4£1,471 GBP
NZ Jewellers£2,518 GBP

21 data points across 8 retailers

8 retailers£895 GBP to £2,518 GBP

B+
Cheapest Retailer
-
£895 GBP
Retailer 2
-
£935 GBP
View
Price last confirmed 8 days ago
B+
Retailer 3
-
£935 GBP
View
B+
Retailer 4
-
£971 GBP
View
B+
Retailer 5
-
£1,079 GBP
View
B
Retailer 6
-
£1,430 GBP
View
B
Retailer 7
-
£1,471 GBP
View
Most Expensive
C
NZ Jewellers
f20d9826-c642-48a3-b51e-933cd6001180 · Nov 5
£2,518 GBP
$3,389 USD
View
7 more retailers have this diamond
Prices start from £895 GBPSave up to £1,623 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+
1.00ct Round
£895 GBP