Round|Natural|IGI

1.04ct D SI2 Round Natural Diamond

EX • D/SI2 • IGI 839654448

Shape and cutting style on the report: Round brilliant

Certificate IGI 839654448

Diamond specifications and retailer prices

From £1,476 GBP
$1,965 USD
As of October 28, 2026
Save £2,040 GBP (58%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £3,515 GBP at NZ Jewellers · As of October 30, 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 839654448. Listed at 12 retailers as of October 28, 2026, with prices from £1,476 to £3,515, a £2,040 spread on the same certified stone. NZ Jewellers lists it at £3,515. 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
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.1°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 839654448
Dimensions6.45 × 6.50 × 4.00 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
6.45 mm6.50 mm1.04 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 839654448
Side View
Table 58.0%Crown 35.1°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.8%

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: Oct 28
Current: £3,515 GBP|Low: £1,476 GBP|High: £3,515 GBP|Avg: £1,933 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
October 30, 2026
Retailer 3£1,476 GBP
Retailer 2£1,519 GBP
Retailer 11£1,551 GBP
Retailer 4£1,593 GBP
Retailer 6£1,623 GBP
Retailer 8£1,681 GBP
Retailer 12£1,681 GBP
Retailer 10£1,759 GBP
Retailer 5£1,786 GBP
Retailer 7£2,104 GBP
Retailer 9£2,961 GBP
NZ Jewellers£3,515 GBP

6 data points across 12 retailers

12 retailers£1,476 GBP to £3,515 GBP

A
Cheapest Retailer
-
£1,476 GBP
$1,965 USD
A
Retailer 2
-
£1,519 GBP
$2,023 USD
View
A
Retailer 3
-
£1,551 GBP
$2,066 USD
View
Final sale: no returns
A
Retailer 4
-
£1,593 GBP
$2,122 USD
View
A
Retailer 5
-
£1,623 GBP
View
A
Retailer 6
-
£1,681 GBP
$2,239 USD
View
A
Retailer 7
-
£1,681 GBP
$2,239 USD
View
A
Retailer 8
-
£1,759 GBP
$2,342 USD
View
A
Retailer 9
-
£1,786 GBP
$2,378 USD
View
A
Retailer 10
-
£2,104 GBP
€2,669 EUR
View
B
Retailer 11
-
£2,961 GBP
View
Most Expensive
B
NZ Jewellers
3a6a212b-448c-432d-b0e2-801ba555a6c5 · Oct 30
£3,515 GBP
$4,681 USD
View
11 more retailers have this diamond
Prices start from £1,476 GBPSave up to £2,040 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
£1,476 GBP