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Round|Natural|GIA

1.00ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 2468661430

Certificate GIA 2468661430

Diamond specifications and retailer prices

From £2,178 GBP
As of November 5, 2026
Save £3,324 GBP (60%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £5,501 GBP at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2468661430. Listed at 22 retailers as of November 5, 2026, with prices from £2,178 to £5,501, a £3,324 spread on the same certified stone. Diamond Quarter lists it at £5,501. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.00
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 2468661430
Dimensions6.40 × 6.33 × 3.98 mm
L/W Ratio1.01
Top View
6.40 mm6.33 mm1.00 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2468661430
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 62.8%

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 5
Current: £2,644 GBP|Low: £2,118 GBP|High: £4,677 GBP|Avg: £2,942 GBP|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 3£2,222 GBP
Retailer 11£2,311 GBP
Retailer 2£2,418 GBP
Retailer 10£2,504 GBP
Retailer 4£2,600 GBP
Retailer 1£2,644 GBP
Retailer 5£2,826 GBP
Retailer 9£2,839 GBP
Retailer 12£2,960 GBP
Retailer 7£3,021 GBP
Retailer 6£3,373 GBP
Retailer 8£4,609 GBP

45 data points across 12 retailers

22 retailers£2,178 GBP to £5,501 GBP

B+
Cheapest Retailer
-
£2,178 GBP
B+
Retailer 2
-
£2,222 GBP
View
B+
Retailer 3
-
£2,311 GBP
View
Final sale: no returns
B+
Retailer 4
-
£2,418 GBP
View
Retailer 5
-
£2,504 GBP
View
Price last confirmed 8 days ago
Retailer 6
-
£2,504 GBP
View
Price last confirmed 28 days ago
B+
Retailer 7
-
£2,512 GBP
View
Retailer 8
-
£2,600 GBP
View
Price last confirmed 22 days ago
B+
Retailer 9
-
£2,644 GBP
View
B+
Retailer 10
-
£2,826 GBP
View
B+
Retailer 11
-
£2,838 GBP
View
B+
Retailer 12
-
£2,838 GBP
View
B+
Retailer 13
-
£2,839 GBP
View
Retailer 14
-
£2,889 GBP
View
Price last confirmed 28 days ago
B+
Retailer 15
-
£2,935 GBP
View
Retailer 16
-
£2,960 GBP
View
Price last confirmed 29 days ago
B
Retailer 17
-
£3,021 GBP
View
Retailer 18
-
£3,129 GBP
View
Price last confirmed 22 days ago
B
Retailer 19
-
£3,373 GBP
View
B
Retailer 20
-
£4,609 GBP
View
Retailer 21
-
£4,815 GBP
View
Price last confirmed 39 days ago
Most Expensive
B
Diamond Quarter
1.0SI1G2430B07EN · Nov 5
£5,501 GBP
View
21 more retailers have this diamond
Prices start from £2,178 GBPSave up to £3,324 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
£2,178 GBP