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Round|Natural|GIA

1.20ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 6561123668

Certificate GIA 6561123668

Diamond specifications and retailer prices

From £1,595 GBP
HK$16,700 HKD
As of October 31, 2026
Save £2,842 GBP (64%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £4,437 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6561123668. Listed at 18 retailers as of October 30, 2026, with prices from £1,595 to £4,437, a £2,842 spread on the same certified stone. NZ Jewellers lists it at £4,437. 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

1.20
Carat
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6561123668
Dimensions6.74 × 6.80 × 4.24 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Cavity, Needle
Top View
6.74 mm6.80 mm1.20 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6561123668
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.6%

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: £4,437 GBP|Low: £1,595 GBP|High: £4,437 GBP|Avg: £2,397 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
Retailer 13
Retailer 14
October 31, 2026
Retailer 7£1,595 GBP
Retailer 2£1,678 GBP
Retailer 5£1,852 GBP
Retailer 4£1,933 GBP
Retailer 9£1,935 GBP
Retailer 6£1,958 GBP
Retailer 12£2,123 GBP
Retailer 14£2,123 GBP
Retailer 13£2,204 GBP
Retailer 10£2,255 GBP
Retailer 3£2,449 GBP
Retailer 8£2,484 GBP
Retailer 11£3,738 GBP
NZ Jewellers£4,437 GBP

25 data points across 14 retailers

18 retailers£1,595 GBP to £4,437 GBP

A
Cheapest Retailer
-
£1,595 GBP
HK$16,700 HKD
A
Retailer 2
-
£1,678 GBP
₹214,090 INR
View
A
Retailer 3
-
£1,852 GBP
SGD 3,354 SGD
View
A
Retailer 4
-
£1,933 GBP
$2,590 USD
View
A
Retailer 5
-
£1,935 GBP
View
A
Retailer 6
-
£1,958 GBP
$2,624 USD
View
Final sale: no returns
A
Retailer 7
-
£1,961 GBP
$2,628 USD
View
A
Retailer 8
-
£1,978 GBP
$2,650 USD
View
A
Retailer 9
-
£2,123 GBP
$2,844 USD
View
A
Retailer 10
-
£2,123 GBP
$2,844 USD
View
A
Retailer 11
-
£2,204 GBP
$2,953 USD
View
A
Retailer 12
-
£2,221 GBP
SGD 4,022 SGD
View
A
Retailer 13
-
£2,255 GBP
View
A
Retailer 14
-
£2,298 GBP
$3,079 USD
View
B+
Retailer 15
-
£2,449 GBP
$3,281 USD
View
B+
Retailer 16
-
£2,484 GBP
€3,170 EUR
View
B
Retailer 17
-
£3,738 GBP
View
Most Expensive
B
NZ Jewellers
0250c111-68ee-4bb8-b7d8-04c9dad8324b · Oct 30
£4,437 GBP
$5,945 USD
View
17 more retailers have this diamond
Prices start from £1,595 GBPSave up to £2,842 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
£1,595 GBP