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Round|Natural|GIA

1.20ct F SI2 Round Natural Diamond

VG • F/SI2 • GIA 6411572220

Certificate GIA 6411572220

Diamond specifications and retailer prices

From £1,595 GBP
HK$16,700 HKD
As of October 31, 2026
Save £2,878 GBP (64%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £4,474 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 very-good cut grade and certified by GIA 6411572220. Listed at 16 retailers as of October 30, 2026, with prices from £1,595 to £4,474, a £2,878 spread on the same certified stone. NZ Jewellers lists it at £4,474. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.20
Carat
F
Colour
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 6411572220
Dimensions6.78 × 6.71 × 4.22 mm
L/W Ratio1.01
Top View
6.78 mm6.71 mm1.20 ctF / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 6411572220
Side View
Table 57.0%CrownGirdle: MED-SLIPavilionCulet: 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: £4,474 GBP|Low: £1,576 GBP|High: £4,474 GBP|Avg: £2,385 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
Retailer 15
Retailer 16
Retailer 17
October 31, 2026
Retailer 2£1,595 GBP
Retailer 4£1,916 GBP
Retailer 10£1,951 GBP
Retailer 3£1,975 GBP
Retailer 5£1,976 GBP
Retailer 14£2,140 GBP
Retailer 16£2,140 GBP
Retailer 6£2,179 GBP
Retailer 8£2,217 GBP
Retailer 15£2,222 GBP
Retailer 11£2,274 GBP
Retailer 7£2,395 GBP
Retailer 17£2,469 GBP
Retailer 12£2,512 GBP
Retailer 9£2,698 GBP
Retailer 13£3,597 GBP
NZ Jewellers£4,474 GBP

27 data points across 17 retailers

16 retailers£1,595 GBP to £4,474 GBP

A
Cheapest Retailer
-
£1,595 GBP
HK$16,700 HKD
B+
Retailer 2
-
£1,916 GBP
$2,567 USD
View
A
Retailer 3
-
£1,951 GBP
View
B+
Retailer 4
-
£1,975 GBP
$2,646 USD
View
Final sale: no returns
B+
Retailer 5
-
£1,976 GBP
$2,648 USD
View
A
Retailer 6
-
£2,140 GBP
$2,867 USD
View
A
Retailer 7
-
£2,140 GBP
$2,867 USD
View
B+
Retailer 8
-
£2,179 GBP
$2,920 USD
View
B+
Retailer 9
-
£2,217 GBP
SGD 4,014 SGD
View
B+
Retailer 10
-
£2,222 GBP
$2,977 USD
View
B+
Retailer 11
-
£2,274 GBP
View
B+
Retailer 12
-
£2,469 GBP
$3,308 USD
View
B+
Retailer 13
-
£2,512 GBP
€3,205 EUR
View
B
Retailer 14
-
£3,597 GBP
View
B
Retailer 15
-
£4,051 GBP
View
Most Expensive
B
NZ Jewellers
bd4cff01-ab87-4373-8acc-31fb0f6c1020 · Oct 30
£4,474 GBP
$5,994 USD
View
15 more retailers have this diamond
Prices start from £1,595 GBPSave up to £2,878 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