Round|Natural|GIA

1.20ct F IF Round Natural Diamond

EX • F/IF • GIA 1558027132

Certificate GIA 1558027132

Diamond specifications and retailer prices

From £4,700 GBP
HK$49,200 HKD
As of November 1, 2026
Save £5,858 GBP (55%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £10,558 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.2ct natural round diamond

This 1.2ct natural round sits in the classic one-carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 1558027132. Listed at 18 retailers as of October 30, 2026, with prices from £4,700 to £10,558, a £5,858 spread on the same certified stone. NZ Jewellers lists it at £10,558. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
F
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1558027132
Dimensions6.80 × 6.76 × 4.21 mm
L/W Ratio1.01
Top View
6.80 mm6.76 mm1.20 ctF / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1558027132
Side View
Table 55.0%Crown 35°Girdle: STK-STKPavilion 40.6°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
A+
Exceptional
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: £10,558 GBP|Low: £4,662 GBP|High: £10,876 GBP|Avg: £6,333 GBP|-2.9%
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
Retailer 18
November 1, 2026
Retailer 16£4,700 GBP
Retailer 11£4,756 GBP
Retailer 4£4,851 GBP
Retailer 6£5,014 GBP
Retailer 14£5,026 GBP
Retailer 5£5,047 GBP
Retailer 17£5,414 GBP
Retailer 18£5,575 GBP
Retailer 13£5,655 GBP
Retailer 8£5,691 GBP
Retailer 9£6,158 GBP
Retailer 15£6,312 GBP
Retailer 7£6,474 GBP
Retailer 2£6,509 GBP
Retailer 10£7,629 GBP
Retailer 12£8,798 GBP
Retailer 3£8,924 GBP
NZ Jewellers£10,558 GBP

16 data points across 18 retailers

18 retailers£4,700 GBP to £10,558 GBP

A+
Cheapest Retailer
-
£4,700 GBP
HK$49,200 HKD
A
Retailer 2
-
£4,756 GBP
₹606,898 INR
View
A
Retailer 3
-
£4,851 GBP
€6,190 EUR
View
A
Retailer 4
-
£5,014 GBP
$6,718 USD
View
A
Retailer 5
-
£5,026 GBP
€6,414 EUR
View
A
Retailer 6
-
£5,047 GBP
$6,762 USD
View
Final sale: no returns
A
Retailer 7
-
£5,414 GBP
$7,254 USD
View
Retailer 8
-
£5,473 GBP
SGD 9,909 SGD
View
Price last confirmed 21 days ago
A
Retailer 9
-
£5,575 GBP
$7,470 USD
View
A
Retailer 10
-
£5,655 GBP
View
A
Retailer 11
-
£5,691 GBP
$7,625 USD
View
Retailer 12
-
£6,158 GBP
A$12,693 AUD
View
Price last confirmed 10 days ago
B+
Retailer 13
-
£6,312 GBP
$8,458 USD
View
B+
Retailer 14
-
£6,474 GBP
$8,675 USD
View
B+
Retailer 15
-
£6,509 GBP
€8,306 EUR
View
B
Retailer 16
-
£8,798 GBP
View
B
Retailer 17
-
£8,924 GBP
$11,957 USD
View
Most Expensive
B
NZ Jewellers
7b6ff942-24b4-44e9-8ce2-6c5d68281cc8 · Oct 30
£10,558 GBP
$14,147 USD
View
17 more retailers have this diamond
Prices start from £4,700 GBPSave up to £5,858 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+
1.20ct Round
£4,700 GBP