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Round|Natural|GIA

1.03ct I I1 Round Natural Diamond

EX • I/I1 • GIA 1269916555

Certificate GIA 1269916555

Diamond specifications and retailer prices

From £1,172 GBP
$1,571 USD
As of November 1, 2026
Save £1,966 GBP (63%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £3,138 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.03ct natural round diamond

This 1.03ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 1269916555. Listed at 8 retailers as of October 30, 2026, with prices from £1,172 to £3,138, a £1,966 spread on the same certified stone. NZ Jewellers lists it at £3,138. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
I
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1269916555
Dimensions6.52 × 6.47 × 3.99 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Cloud, Needle
Top View
6.52 mm6.47 mm1.03 ctI / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1269916555
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.4%

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 1
Current: £3,138 GBP|Low: £1,019 GBP|High: £3,138 GBP|Avg: £1,556 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 8£1,019 GBP
Retailer 10£1,172 GBP
Retailer 3£1,261 GBP
Retailer 5£1,287 GBP
Retailer 4£1,346 GBP
Retailer 6£1,484 GBP
Retailer 7£1,531 GBP
Retailer 9£1,556 GBP
Retailer 2£1,749 GBP
NZ Jewellers£3,138 GBP

21 data points across 10 retailers

8 retailers£1,172 GBP to £3,138 GBP

A
Cheapest Retailer
-
£1,172 GBP
$1,571 USD
B+
Retailer 2
-
£1,261 GBP
$1,689 USD
View
Retailer 3
-
£1,287 GBP
$1,724 USD
View
Price last confirmed 17 days ago
B+
Retailer 4
-
£1,287 GBP
$1,724 USD
View
B+
Retailer 5
-
£1,346 GBP
$1,803 USD
View
B+
Retailer 6
-
£1,484 GBP
$1,989 USD
View
B
Retailer 7
-
£1,749 GBP
€2,232 EUR
View
Most Expensive
B
NZ Jewellers
b32d19f3-7be6-4d85-816e-317003d2e4d9 · Oct 30
£3,138 GBP
$4,205 USD
View
7 more retailers have this diamond
Prices start from £1,172 GBPSave up to £1,966 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
1.03ct Round
£1,172 GBP