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Round|Natural|GIA

3.04ct J SI1 Round Natural Diamond

EX • J/SI1 • GIA 1455363046

Certificate GIA 1455363046

Diamond specifications and retailer prices

From £17,604 GBP
$23,587 USD
As of October 31, 2026
Save £4,289 GBP (20%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £21,893 GBP at 77 Diamonds · As of November 1, 2026
View at 77 Diamonds

About this 3.04ct natural round diamond

This 3.04ct natural round sits in the three to five carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1455363046. Listed at 4 retailers as of October 31, 2026, with prices from £17,604 to £21,893, a £4,289 spread on the same certified stone. 77 Diamonds lists it at £21,893. 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

3.04
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle33.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 1455363046
Dimensions9.28 × 9.20 × 5.73 mm
L/W Ratio1.01
Key to symbols
Crystal, Feather, Needle
Top View
9.28 mm9.20 mm3.04 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 1455363046
Side View
Table 60.0%Crown 33.5°Girdle: Slightly ThickPavilion 41.6°Culet: NoneDepth 62.3%

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 31
Current: £21,893 GBP|Low: £17,421 GBP|High: £22,221 GBP|Avg: £19,193 GBP|+1.0%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 1, 2026
Retailer 2£17,604 GBP
Retailer 4£17,837 GBP
Retailer 3£18,819 GBP
Retailer 5£19,711 GBP
77 Diamonds£21,893 GBP

32 data points across 5 retailers

4 retailers£17,604 GBP to £21,893 GBP

B+
Cheapest Retailer
-
£17,604 GBP
$23,587 USD
B+
Retailer 2
-
£17,837 GBP
$23,900 USD
View
B+
Retailer 3
-
£18,819 GBP
$25,215 USD
View
Most Expensive
B
77 Diamonds
RBZPBMQTGTK · Nov 1
£21,893 GBP
View
3 more retailers have this diamond
Prices start from £17,604 GBPSave up to £4,289 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+
3.04ct Round
£17,604 GBP