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Round|Natural|GIA

1.00ct D I1 Round Natural Diamond

EX • D/I1 • GIA 6233588302

Certificate GIA 6233588302

Diamond specifications and retailer prices

From £2,042 GBP
$2,736 USD
As of October 30, 2026
Save £331 GBP (14%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £4,106 GBP at NZ Jewellers · As of September 27, 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 6233588302. Listed at 11 retailers as of October 28, 2026, with a relatively tight 16% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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
FluorescenceMedium
Crown angle34°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6233588302
Dimensions6.47 × 6.42 × 3.93 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
6.47 mm6.42 mm1.00 ctD / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6233588302
Side View
Table 59.0%Crown 34°Girdle: ThickPavilion 41°Culet: NoneDepth 61.0%

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: Oct 30
Current: £2,299 GBP|Low: £1,777 GBP|High: £3,619 GBP|Avg: £2,393 GBP|-2.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 12, 2026
Retailer 9£1,777 GBP
Retailer 7£1,911 GBP
Retailer 4£2,042 GBP
Retailer 11£2,055 GBP
Retailer 1£2,299 GBP
Retailer 8£2,299 GBP
Retailer 6£2,373 GBP
Retailer 2£2,467 GBP
Retailer 10£2,642 GBP
Retailer 5£2,744 GBP
Retailer 3£3,619 GBP

11 data points across 11 retailers

11 retailers£2,042 GBP to £2,373 GBP

Retailer 1
-
£1,911 GBP
$2,561 USD
Price last confirmed 26 days ago
B+
Retailer 2
-
£2,042 GBP
$2,736 USD
View
Retailer 3
-
£2,055 GBP
$2,754 USD
View
Price last confirmed 96 days ago
Retailer 4
-
£2,135 GBP
$2,860 USD
View
Price last confirmed 23 days ago
Retailer 5
-
£2,135 GBP
$2,860 USD
View
Price last confirmed 24 days ago
Retailer 6
-
£2,217 GBP
$2,970 USD
View
Price last confirmed 32 days ago
B+
Retailer 7
-
£2,299 GBP
$3,080 USD
View
B+
Retailer 8
-
£2,299 GBP
$3,080 USD
View
B
Retailer 9
-
£2,373 GBP
$3,180 USD
View
Retailer 10
-
£2,463 GBP
$3,300 USD
View
Price last confirmed 32 days ago
Most Expensive
NZ Jewellers
d3b0eec9-011a-47f2-9d05-2bf35a0e4168 · Sep 27
£4,106 GBP
$5,501 USD
View
Price last confirmed 34 days ago
10 more retailers have this diamond
Prices start from £2,042 GBPSave up to £331 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
£2,042 GBP