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Round|Natural|GIA

1.04ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 7412893432

Certificate GIA 7412893432

Diamond specifications and retailer prices

From £1,366 GBP
As of November 4, 2026
Save £768 GBP (36%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £2,134 GBP at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

About this 1.04ct natural round diamond

This 1.04ct natural round sits in the classic one-carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7412893432. Listed at 5 retailers as of November 4, 2026, with prices from £1,366 to £2,134, a £768 spread on the same certified stone. 77 Diamonds lists it at £2,134. 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
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7412893432
Dimensions6.45 × 6.41 × 4.02 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
6.45 mm6.41 mm1.04 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 7412893432
Side View
Table 59.0%Crown 36°Girdle: Slightly ThickPavilion 41°Culet: NoneDepth 62.5%

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: £2,134 GBP|Low: £1,317 GBP|High: £2,158 GBP|Avg: £1,659 GBP|+4.0%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 3£1,366 GBP
Retailer 5£1,401 GBP
Retailer 4£1,482 GBP
Retailer 6£1,560 GBP
Retailer 2£2,024 GBP
77 Diamonds£2,134 GBP

40 data points across 6 retailers

5 retailers£1,366 GBP to £2,134 GBP

B+
Cheapest Retailer
-
£1,366 GBP
B+
Retailer 2
-
£1,401 GBP
View
B+
Retailer 3
-
£1,482 GBP
View
B
Retailer 4
-
£2,024 GBP
View
Most Expensive
B
77 Diamonds
RBZJ2UBNHEH · Nov 6
£2,134 GBP
View
4 more retailers have this diamond
Prices start from £1,366 GBPSave up to £768 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
£1,366 GBP