CaratHunter
Plans
Round|Natural|GIA

1.20ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 6565633716

Certificate GIA 6565633716

Diamond specifications and retailer prices

From £2,264 GBP
HK$23,700 HKD
As of October 31, 2026
Save £2,930 GBP (56%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £5,194 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6565633716. Listed at 19 retailers as of October 30, 2026, with prices from £2,264 to £5,194, a £2,930 spread on the same certified stone. NZ Jewellers lists it at £5,194. 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
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 6565633716
Dimensions6.79 × 6.75 × 4.23 mm
L/W Ratio1.01
Top View
6.79 mm6.75 mm1.20 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6565633716
Side View
Table 60.0%Crown 35°Girdle: MED-STKPavilion 41.6°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: £5,194 GBP|Low: £2,245 GBP|High: £5,194 GBP|Avg: £3,213 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
Retailer 18
Retailer 19
November 1, 2026
Retailer 17£2,264 GBP
Retailer 16£2,275 GBP
Retailer 7£2,590 GBP
Retailer 9£2,623 GBP
Retailer 10£2,724 GBP
Retailer 4£2,844 GBP
Retailer 11£2,850 GBP
Retailer 12£2,869 GBP
Retailer 8£2,982 GBP
Retailer 18£2,982 GBP
Retailer 14£3,006 GBP
Retailer 6£3,091 GBP
Retailer 19£3,179 GBP
Retailer 2£3,326 GBP
Retailer 5£3,440 GBP
Retailer 15£3,665 GBP
Retailer 3£4,374 GBP
Retailer 13£4,986 GBP
NZ Jewellers£5,194 GBP

16 data points across 19 retailers

19 retailers£2,264 GBP to £5,194 GBP

A
Cheapest Retailer
-
£2,264 GBP
HK$23,700 HKD
A
Retailer 2
-
£2,275 GBP
₹290,360 INR
View
Retailer 3
-
£2,590 GBP
$3,470 USD
View
Price last confirmed 7 days ago
B+
Retailer 4
-
£2,623 GBP
$3,515 USD
View
B+
Retailer 5
-
£2,724 GBP
$3,650 USD
View
B+
Retailer 6
-
£2,844 GBP
$3,810 USD
View
B+
Retailer 7
-
£2,850 GBP
SGD 5,161 SGD
View
B+
Retailer 8
-
£2,869 GBP
View
B+
Retailer 9
-
£2,982 GBP
$3,995 USD
View
B+
Retailer 10
-
£2,982 GBP
$3,995 USD
View
B+
Retailer 11
-
£3,006 GBP
View
B+
Retailer 12
-
£3,091 GBP
$4,142 USD
View
B
Retailer 13
-
£3,179 GBP
$4,260 USD
View
B+
Retailer 14
-
£3,326 GBP
€4,244 EUR
View
B+
Retailer 15
-
£3,440 GBP
$4,609 USD
View
B+
Retailer 16
-
£3,665 GBP
ZAR 79,324 ZAR
View
B
Retailer 17
-
£4,374 GBP
$5,861 USD
View
B
Retailer 18
-
£4,986 GBP
View
Most Expensive
B
NZ Jewellers
54ff254c-9427-4865-afaa-6da96d9d2f6d · Oct 30
£5,194 GBP
$6,959 USD
View
18 more retailers have this diamond
Prices start from £2,264 GBPSave up to £2,930 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
£2,264 GBP