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Round|Natural|GIA

1.06ct J IF Round Natural Diamond

EX • J/IF • GIA 1246089910

Certificate GIA 1246089910

Diamond specifications and retailer prices

From £1,834 GBP
HK$19,200 HKD
As of October 31, 2026
Save £2,517 GBP (58%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £4,351 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.06ct natural round diamond

This 1.06ct natural round sits in the classic one-carat band, graded J colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 1246089910. Listed at 17 retailers as of October 30, 2026, with prices from £1,834 to £4,351, a £2,517 spread on the same certified stone. NZ Jewellers lists it at £4,351. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.06
Carat
J
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 1246089910
Dimensions6.50 × 6.46 × 4.04 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.50 mm6.46 mm1.06 ctJ / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1246089910
Side View
Table 61.0%Crown 34.5°Girdle: Slightly ThickPavilion 41.6°Culet: NoneDepth 62.4%

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: Oct 31
Current: £4,351 GBP|Low: £1,815 GBP|High: £4,456 GBP|Avg: £2,738 GBP|-2.4%
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
Retailer 17
October 31, 2026
Retailer 2£1,834 GBP
Retailer 14£2,004 GBP
Retailer 8£2,214 GBP
Retailer 11£2,244 GBP
Retailer 5£2,305 GBP
Retailer 12£2,368 GBP
Retailer 6£2,393 GBP
Retailer 10£2,414 GBP
Retailer 9£2,476 GBP
Retailer 16£2,547 GBP
Retailer 4£2,567 GBP
Retailer 7£2,760 GBP
Retailer 15£2,900 GBP
Retailer 17£3,041 GBP
Retailer 3£3,742 GBP
Retailer 13£4,199 GBP
NZ Jewellers£4,351 GBP

11 data points across 17 retailers

17 retailers£1,834 GBP to £4,351 GBP

A
Cheapest Retailer
-
£1,834 GBP
HK$19,200 HKD
A
Retailer 2
-
£2,004 GBP
$2,685 USD
View
A
Retailer 3
-
£2,214 GBP
$2,966 USD
View
A
Retailer 4
-
£2,244 GBP
View
B+
Retailer 5
-
£2,305 GBP
$3,089 USD
View
Final sale: no returns
B+
Retailer 6
-
£2,368 GBP
View
B+
Retailer 7
-
£2,393 GBP
$3,206 USD
View
B+
Retailer 8
-
£2,414 GBP
$3,235 USD
View
B+
Retailer 9
-
£2,476 GBP
$3,318 USD
View
B+
Retailer 10
-
£2,547 GBP
SGD 4,611 SGD
View
B+
Retailer 11
-
£2,567 GBP
$3,440 USD
View
B+
Retailer 12
-
£2,760 GBP
$3,698 USD
View
B+
Retailer 13
-
£2,900 GBP
View
B+
Retailer 14
-
£3,041 GBP
ZAR 65,828 ZAR
View
B
Retailer 15
-
£3,742 GBP
$5,014 USD
View
B
Retailer 16
-
£4,199 GBP
View
Most Expensive
B
NZ Jewellers
9efd4d08-cb81-4017-8c23-fe59081e3e3b · Oct 30
£4,351 GBP
$5,830 USD
View
16 more retailers have this diamond
Prices start from £1,834 GBPSave up to £2,517 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
1.06ct Round
£1,834 GBP