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Round|Natural|GIA

1.20ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 5546684593

Certificate GIA 5546684593

Diamond specifications and retailer prices

From £2,035 GBP
HK$21,300 HKD
As of November 1, 2026
Save £2,742 GBP (57%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £4,777 GBP at Queensmith · As of October 28, 2026
View at Queensmith

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 5546684593. Listed at 20 retailers as of October 28, 2026, with prices from £2,035 to £4,777, a £2,742 spread on the same certified stone. Queensmith lists it at £4,777. 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
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5546684593
Dimensions6.84 × 6.88 × 4.15 mm
L/W Ratio1.01
Top View
6.84 mm6.88 mm1.20 ctG / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 5546684593
Side View
Table 59.0%Crown 34.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.4%

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: Nov 1
Current: £4,777 GBP|Low: £2,035 GBP|High: £4,791 GBP|Avg: £2,989 GBP|+2.3%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 9£2,035 GBP
Retailer 2£2,125 GBP
Retailer 12£2,356 GBP
Retailer 11£2,460 GBP
Retailer 10£2,564 GBP
Retailer 4£2,666 GBP
Retailer 7£2,769 GBP
Retailer 3£2,858 GBP
Retailer 6£3,107 GBP
Retailer 8£3,277 GBP
Retailer 5£4,459 GBP
Queensmith£4,777 GBP

31 data points across 12 retailers

20 retailers£2,035 GBP to £4,777 GBP

A
Cheapest Retailer
-
£2,035 GBP
HK$21,300 HKD
A
Retailer 2
-
£2,125 GBP
₹271,210 INR
View
A
Retailer 3
-
£2,356 GBP
SGD 4,266 SGD
View
B+
Retailer 4
-
£2,414 GBP
$3,234 USD
View
B+
Retailer 5
-
£2,417 GBP
$3,238 USD
View
B+
Retailer 6
-
£2,460 GBP
$3,296 USD
View
Final sale: no returns
B+
Retailer 7
-
£2,493 GBP
$3,340 USD
View
B+
Retailer 8
-
£2,564 GBP
$3,435 USD
View
Retailer 9
-
£2,666 GBP
$3,572 USD
View
Price last confirmed 33 days ago
Retailer 10
-
£2,666 GBP
$3,572 USD
View
Price last confirmed 24 days ago
B+
Retailer 11
-
£2,769 GBP
View
B+
Retailer 12
-
£2,774 GBP
$3,717 USD
View
B+
Retailer 13
-
£2,825 GBP
SGD 5,116 SGD
View
Retailer 14
-
£2,858 GBP
A$5,892 AUD
View
Price last confirmed 28 days ago
Retailer 15
-
£3,076 GBP
$4,121 USD
View
Price last confirmed 32 days ago
B+
Retailer 16
-
£3,107 GBP
€3,965 EUR
View
B+
Retailer 17
-
£3,277 GBP
ZAR 70,929 ZAR
View
B
Retailer 18
-
£4,459 GBP
View
Retailer 19
-
£4,644 GBP
$6,223 USD
View
Price last confirmed 34 days ago
Most Expensive
B
Queensmith
5546684593 · Oct 28
£4,777 GBP
View
19 more retailers have this diamond
Prices start from £2,035 GBPSave up to £2,742 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
£2,035 GBP