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Round|Natural|GIA

1.03ct I I1 Round Natural Diamond

VG • I/I1 • GIA 2437499356

Certificate GIA 2437499356

Diamond specifications and retailer prices

From £1,161 GBP
$1,556 USD
As of October 31, 2026
Save £2,320 GBP (67%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £3,482 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 very-good cut grade and certified by GIA 2437499356. Listed at 8 retailers as of October 30, 2026, with prices from £1,161 to £3,482, a £2,320 spread on the same certified stone. NZ Jewellers lists it at £3,482. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.03
Carat
I
Colour
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle32.5°
Pavilion angle42°
OriginNatural
Grading LabGIA
CertificateGIA 2437499356
Dimensions6.39 × 6.41 × 4.08 mm
L/W Ratio1.00
Top View
6.39 mm6.41 mm1.03 ctI / I1
OriginNatural
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2437499356
Side View
Table 55.0%Crown 32.5°Girdle: MED-THKPavilion 42°Culet: NoneDepth 63.7%

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: £3,482 GBP|Low: £1,149 GBP|High: £3,482 GBP|Avg: £1,610 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 10£1,160 GBP
Retailer 4£1,161 GBP
Retailer 9£1,178 GBP
Retailer 5£1,293 GBP
Retailer 7£1,293 GBP
Retailer 3£1,353 GBP
Retailer 6£1,492 GBP
Retailer 8£1,699 GBP
Retailer 2£1,949 GBP
NZ Jewellers£3,482 GBP

18 data points across 10 retailers

8 retailers£1,161 GBP to £3,482 GBP

B+
Cheapest Retailer
-
£1,161 GBP
$1,556 USD
B+
Retailer 2
-
£1,178 GBP
$1,578 USD
View
B+
Retailer 3
-
£1,293 GBP
$1,733 USD
View
B+
Retailer 4
-
£1,293 GBP
$1,733 USD
View
B+
Retailer 5
-
£1,353 GBP
$1,813 USD
View
B
Retailer 6
-
£1,492 GBP
$1,999 USD
View
B
Retailer 7
-
£1,949 GBP
€2,487 EUR
View
Most Expensive
C
NZ Jewellers
4e8fa9fd-81f9-44d8-8953-e5c413fafb75 · Oct 30
£3,482 GBP
$4,665 USD
View
7 more retailers have this diamond
Prices start from £1,161 GBPSave up to £2,320 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
£1,161 GBP