Round|Natural|GIA

1.04ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 1559375480

Certificate GIA 1559375480

Diamond specifications and retailer prices

From £1,484 GBP
As of November 5, 2026
Save £2,653 GBP (64%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £4,138 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 1559375480. Listed at 12 retailers as of November 5, 2026, with prices from £1,484 to £4,138, a £2,653 spread on the same certified stone. NZ Jewellers lists it at £4,138. 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
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1559375480
Dimensions6.44 × 6.49 × 4.03 mm
L/W Ratio1.01
Top View
6.44 mm6.49 mm1.04 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1559375480
Side View
Table 58.0%CrownGirdlePavilionCulet: NoneDepth 62.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £4,138 GBP|Low: £1,477 GBP|High: £4,138 GBP|Avg: £2,499 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 6, 2026
Retailer 10£1,484 GBP
Retailer 2£1,894 GBP
Retailer 13£1,950 GBP
Retailer 14£2,055 GBP
Retailer 4£2,061 GBP
Retailer 7£2,082 GBP
Retailer 3£2,084 GBP
Retailer 6£2,333 GBP
Retailer 9£2,415 GBP
Retailer 8£2,453 GBP
Retailer 12£2,772 GBP
Retailer 11£3,458 GBP
Retailer 5£3,840 GBP
NZ Jewellers£4,138 GBP

10 data points across 14 retailers

12 retailers£1,484 GBP to £4,138 GBP

A
Cheapest Retailer
-
£1,484 GBP
A
Retailer 2
-
£1,894 GBP
View
A
Retailer 3
-
£1,950 GBP
View
B+
Retailer 4
-
£2,055 GBP
View
B+
Retailer 5
-
£2,061 GBP
View
A
Retailer 6
-
£2,082 GBP
View
B+
Retailer 7
-
£2,084 GBP
View
B+
Retailer 8
-
£2,415 GBP
View
B+
Retailer 9
-
£2,453 GBP
View
B
Retailer 10
-
£2,772 GBP
View
B
Retailer 11
-
£3,458 GBP
View
Most Expensive
B
NZ Jewellers
b6419618-cfa5-46bd-a0e0-97c7188bf930 · Nov 5
£4,138 GBP
$5,569 USD
View
11 more retailers have this diamond
Prices start from £1,484 GBPSave up to £2,653 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.

A
1.04ct Round
£1,484 GBP