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Round|Natural|GIA

1.07ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1246086011

Certificate GIA 1246086011

Diamond specifications and retailer prices

From £1,223 GBP
HK$12,800 HKD
As of November 1, 2026
Save £2,301 GBP (65%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £3,523 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 1246086011. Listed at 12 retailers as of October 27, 2026, with prices from £1,223 to £3,523, a £2,301 spread on the same certified stone. NZ Jewellers lists it at £3,523. 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
FluorescenceFaint
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1246086011
Dimensions6.45 × 6.50 × 4.06 mm
L/W Ratio1.01
Key to symbols
Crystal, Feather, Needle
Top View
6.45 mm6.50 mm1.07 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1246086011
Side View
Table 57.0%CrownGirdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.7%

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: £3,523 GBP|Low: £1,223 GBP|High: £3,603 GBP|Avg: £2,023 GBP|-2.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 8£1,223 GBP
Retailer 5£1,437 GBP
Retailer 7£1,521 GBP
Retailer 2£1,603 GBP
Retailer 12£1,685 GBP
Retailer 4£1,724 GBP
Retailer 3£1,763 GBP
Retailer 10£1,831 GBP
Retailer 6£2,053 GBP
Retailer 9£2,539 GBP
Retailer 11£2,969 GBP
NZ Jewellers£3,523 GBP

20 data points across 12 retailers

12 retailers£1,223 GBP to £3,523 GBP

A
Cheapest Retailer
-
£1,223 GBP
HK$12,800 HKD
A
Retailer 2
-
£1,437 GBP
€1,833 EUR
View
A
Retailer 3
-
£1,521 GBP
$2,038 USD
View
A
Retailer 4
-
£1,603 GBP
View
A
Retailer 5
-
£1,685 GBP
$2,258 USD
View
A
Retailer 6
-
£1,724 GBP
SGD 3,121 SGD
View
Retailer 7
-
£1,763 GBP
$2,362 USD
View
Price last confirmed 7 days ago
A
Retailer 8
-
£1,831 GBP
$2,453 USD
View
B+
Retailer 9
-
£2,053 GBP
€2,620 EUR
View
B+
Retailer 10
-
£2,539 GBP
€3,240 EUR
View
B
Retailer 11
-
£2,969 GBP
View
Most Expensive
B
NZ Jewellers
ce65cd9e-71ae-4145-9cef-6b8d9727c942 · Oct 27
£3,523 GBP
$4,721 USD
View
11 more retailers have this diamond
Prices start from £1,223 GBPSave up to £2,301 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
£1,223 GBP