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Round|Natural|GIA

1.20ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 5566280989

Certificate GIA 5566280989

Diamond specifications and retailer prices

From €2,062 EUR
HK$18,000 HKD
As of November 1, 2026
Save €2,511 EUR (55%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €4,765 EUR at NZ Jewellers · As of October 17, 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 5566280989. Listed at 19 retailers as of November 1, 2026, with a 122% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
FluorescenceStrong
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 5566280989
Dimensions6.76 × 6.73 × 4.27 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Indented Natural, Natural
Top View
6.76 mm6.73 mm1.20 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 5566280989
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 63.3%

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: €3,188 EUR|Low: €2,062 EUR|High: €4,629 EUR|Avg: €2,866 EUR|+1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 10€2,062 EUR
Retailer 6€2,164 EUR
Retailer 12€2,389 EUR
Retailer 13€2,524 EUR
Retailer 11€2,551 EUR
Retailer 5€2,663 EUR
Retailer 2€2,734 EUR
Retailer 4€2,734 EUR
Retailer 8€2,837 EUR
Retailer 3€2,922 EUR
Retailer 1€3,188 EUR
Retailer 9€3,361 EUR
Retailer 7€4,573 EUR

34 data points across 13 retailers

19 retailers€2,062 EUR to €4,573 EUR

A
Cheapest Retailer
-
€2,062 EUR
HK$18,000 HKD
A
Retailer 2
-
€2,164 EUR
₹230,282 INR
View
A
Retailer 3
-
€2,389 EUR
SGD 3,607 SGD
View
A
Retailer 4
-
€2,454 EUR
$2,742 USD
View
A
Retailer 5
-
€2,524 EUR
$2,820 USD
View
Final sale: no returns
A
Retailer 6
-
€2,551 EUR
$2,850 USD
View
A
Retailer 7
-
€2,551 EUR
$2,850 USD
View
Retailer 8
-
€2,663 EUR
£2,343 GBP
View
Price last confirmed 33 days ago
Retailer 9
-
€2,734 EUR
$3,055 USD
View
Price last confirmed 13 days ago
Retailer 10
-
€2,734 EUR
$3,055 USD
View
Price last confirmed 17 days ago
A
Retailer 11
-
€2,837 EUR
£2,496 GBP
View
Retailer 12
-
€2,840 EUR
$3,173 USD
View
Price last confirmed 17 days ago
B+
Retailer 13
-
€2,865 EUR
SGD 4,326 SGD
View
Retailer 14
-
€2,922 EUR
A$5,022 AUD
View
Price last confirmed 25 days ago
Retailer 15
-
€3,155 EUR
$3,525 USD
View
Price last confirmed 14 days ago
B+
Retailer 16
-
€3,188 EUR
View
B+
Retailer 17
-
€3,361 EUR
ZAR 60,669 ZAR
View
B
Retailer 18
-
€4,573 EUR
£4,023 GBP
View
Most Expensive
NZ Jewellers
cc253d74-bfa1-436e-a15f-ccc07b422e88 · Oct 17
€4,765 EUR
$5,323 USD
View
Price last confirmed 15 days ago
18 more retailers have this diamond
Prices start from €2,062 EURSave up to €2,511 EUR

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
€2,062 EUR