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Round|Natural|GIA

1.03ct I I1 Round Natural Diamond

EX • I/I1 • GIA 1433283347

Certificate GIA 1433283347

Diamond specifications and retailer prices

From £1,605 GBP
HK$16,800 HKD
As of November 1, 2026
Save £2,873 GBP (64%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £4,478 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 1433283347. Listed at 13 retailers as of October 30, 2026, with prices from £1,605 to £4,478, a £2,873 spread on the same certified stone. NZ Jewellers lists it at £4,478. 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
FluorescenceNone
Crown angle34.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 1433283347
Dimensions6.45 × 6.42 × 4.05 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Pinpoint, Natural
Top View
6.45 mm6.42 mm1.03 ctI / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1433283347
Side View
Table 57.0%Crown 34.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.9%

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 1
Current: £4,478 GBP|Low: £1,413 GBP|High: £4,478 GBP|Avg: £2,230 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
Retailer 15
Retailer 16
November 1, 2026
Retailer 8£1,413 GBP
Retailer 9£1,605 GBP
Retailer 11£1,713 GBP
Retailer 13£1,723 GBP
Retailer 10£1,738 GBP
Retailer 14£1,940 GBP
Retailer 16£1,940 GBP
Retailer 12£2,030 GBP
Retailer 6£2,217 GBP
Retailer 7£2,217 GBP
Retailer 15£2,239 GBP
Retailer 5£2,291 GBP
Retailer 2£2,497 GBP
Retailer 3£2,549 GBP
Retailer 4£3,059 GBP
NZ Jewellers£4,478 GBP

20 data points across 16 retailers

13 retailers£1,605 GBP to £4,478 GBP

B+
Cheapest Retailer
-
£1,605 GBP
HK$16,800 HKD
B
Retailer 2
-
£1,713 GBP
$2,295 USD
View
B
Retailer 3
-
£1,723 GBP
$2,309 USD
View
B
Retailer 4
-
£1,738 GBP
$2,329 USD
View
B
Retailer 5
-
£1,940 GBP
$2,600 USD
View
B
Retailer 6
-
£1,940 GBP
$2,600 USD
View
B
Retailer 7
-
£2,030 GBP
$2,720 USD
View
B
Retailer 8
-
£2,217 GBP
$2,970 USD
View
B
Retailer 9
-
£2,217 GBP
$2,970 USD
View
B
Retailer 10
-
£2,239 GBP
$3,000 USD
View
B
Retailer 11
-
£2,291 GBP
$3,070 USD
View
B
Retailer 12
-
£2,497 GBP
€3,186 EUR
View
Most Expensive
C
NZ Jewellers
057682f8-e895-4138-ae00-c76d009f2423 · Oct 30
£4,478 GBP
$6,000 USD
View
12 more retailers have this diamond
Prices start from £1,605 GBPSave up to £2,873 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+
1.03ct Round
£1,605 GBP