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Round|Natural|GIA

1.07ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2448265945

Certificate GIA 2448265945

Diamond specifications and retailer prices

From £1,404 GBP
HK$14,700 HKD
As of November 1, 2026
Save £2,552 GBP (65%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £3,956 GBP at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 1.07ct natural round diamond

This 1.07ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2448265945. Listed at 19 retailers as of October 27, 2026, with prices from £1,404 to £3,956, a £2,552 spread on the same certified stone. NZ Jewellers lists it at £3,956. 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

1.07
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2448265945
Dimensions6.73 × 6.71 × 4.01 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
6.73 mm6.71 mm1.07 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2448265945
Side View
Table 60.0%Crown 31.5°Girdle: MediumPavilion 41.6°Culet: NoneDepth 59.7%

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: £3,956 GBP|Low: £1,395 GBP|High: £3,956 GBP|Avg: £2,238 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 31, 2026
Retailer 2£1,404 GBP
Retailer 11£1,600 GBP
Retailer 10£1,743 GBP
Retailer 12£1,746 GBP
Retailer 7£1,873 GBP
Retailer 4£1,979 GBP
Retailer 3£2,120 GBP
Retailer 6£2,215 GBP
Retailer 5£2,274 GBP
Retailer 8£2,304 GBP
Retailer 9£3,319 GBP
NZ Jewellers£3,956 GBP

40 data points across 12 retailers

19 retailers£1,404 GBP to £3,956 GBP

A
Cheapest Retailer
-
£1,404 GBP
HK$14,700 HKD
A
Retailer 2
-
£1,600 GBP
SGD 2,897 SGD
View
A
Retailer 3
-
£1,709 GBP
$2,290 USD
View
A
Retailer 4
-
£1,727 GBP
$2,314 USD
View
Retailer 5
-
£1,743 GBP
$2,335 USD
View
Price last confirmed 14 days ago
B+
Retailer 6
-
£1,873 GBP
$2,510 USD
View
B+
Retailer 7
-
£1,892 GBP
$2,535 USD
View
Retailer 8
-
£1,892 GBP
$2,535 USD
View
Price last confirmed 7 days ago
B+
Retailer 9
-
£1,958 GBP
SGD 3,546 SGD
View
Retailer 10
-
£1,979 GBP
$2,652 USD
View
Price last confirmed 7 days ago
Retailer 11
-
£1,997 GBP
$2,676 USD
View
Price last confirmed 7 days ago
Retailer 12
-
£2,120 GBP
A$4,370 AUD
View
Price last confirmed 25 days ago
B+
Retailer 13
-
£2,179 GBP
$2,920 USD
View
B+
Retailer 14
-
£2,184 GBP
$2,926 USD
View
B+
Retailer 15
-
£2,215 GBP
€2,826 EUR
View
B+
Retailer 16
-
£2,274 GBP
View
B+
Retailer 17
-
£2,304 GBP
ZAR 49,877 ZAR
View
Retailer 18
-
£3,319 GBP
View
Price last confirmed 7 days ago
Most Expensive
B
NZ Jewellers
e496e9e4-8581-44ea-a124-c97f5a68f71f · Oct 27
£3,956 GBP
$5,301 USD
View
18 more retailers have this diamond
Prices start from £1,404 GBPSave up to £2,552 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
1.07ct Round
£1,404 GBP