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Round|Natural|GIA

1.04ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 6551626635

Certificate GIA 6551626635

Diamond specifications and retailer prices

From £2,482 GBP
As of November 5, 2026
Save £2,895 GBP (54%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £5,378 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.04ct natural round diamond

This 1.04ct 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 6551626635. Listed at 14 retailers as of November 5, 2026, with prices from £2,482 to £5,378, a £2,895 spread on the same certified stone. NZ Jewellers lists it at £5,378. 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

1.04
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6551626635
Dimensions6.41 × 6.45 × 4.03 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Crystal, Feather, Cloud, Cavity, Needle, Knot
Top View
6.41 mm6.45 mm1.04 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551626635
Side View
Table 58.0%Crown 36°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 62.6%

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: £3,466 GBP|Low: £2,337 GBP|High: £5,224 GBP|Avg: £3,333 GBP|+2.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 10£2,482 GBP
Retailer 9£2,678 GBP
Retailer 2£2,694 GBP
Retailer 3£2,985 GBP
Retailer 5£3,109 GBP
Retailer 7£3,309 GBP
Retailer 1£3,466 GBP
Retailer 11£3,493 GBP
Retailer 8£3,558 GBP
Retailer 4£3,768 GBP
Retailer 6£5,148 GBP

43 data points across 11 retailers

14 retailers£2,482 GBP to £5,378 GBP

B+
Cheapest Retailer
-
£2,482 GBP
B+
Retailer 2
-
£2,678 GBP
View
Retailer 3
-
£2,797 GBP
View
Price last confirmed 8 days ago
B+
Retailer 4
-
£2,797 GBP
View
B+
Retailer 5
-
£2,904 GBP
View
B+
Retailer 6
-
£3,109 GBP
View
B
Retailer 7
-
£3,227 GBP
View
Retailer 8
-
£3,309 GBP
View
Price last confirmed 33 days ago
B
Retailer 9
-
£3,466 GBP
View
Retailer 10
-
£3,493 GBP
View
Price last confirmed 22 days ago
B
Retailer 11
-
£3,558 GBP
View
B
Retailer 12
-
£3,768 GBP
View
B
Retailer 13
-
£5,148 GBP
View
Most Expensive
B
NZ Jewellers
d322c4f4-7089-4e14-941a-d994abf999fd · Nov 5
£5,378 GBP
$7,238 USD
View
13 more retailers have this diamond
Prices start from £2,482 GBPSave up to £2,895 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+
1.04ct Round
£2,482 GBP