CaratHunter
Plans
Round|Natural|GIA

1.20ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2557770796

Certificate GIA 2557770796

Diamond specifications and retailer prices

From €2,155 EUR
As of November 6, 2026
Save €2,716 EUR (56%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €4,871 EUR at NZ Jewellers · As of November 5, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2557770796. Listed at 24 retailers as of November 5, 2026, with prices from €2,155 to €4,871, a €2,716 spread on the same certified stone. NZ Jewellers lists it at €4,871. 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2557770796
Dimensions6.72 × 6.75 × 4.22 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
6.72 mm6.75 mm1.20 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557770796
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°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: Nov 6
Current: €4,871 EUR|Low: €2,143 EUR|High: €4,871 EUR|Avg: €3,075 EUR
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
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
November 7, 2026
Retailer 3€2,155 EUR
Retailer 18€2,155 EUR
Retailer 9€2,409 EUR
Retailer 11€2,425 EUR
Retailer 22€2,468 EUR
Retailer 8€2,503 EUR
Retailer 12€2,580 EUR
Retailer 24€2,619 EUR
Retailer 10€2,718 EUR
Retailer 5€2,795 EUR
Retailer 7€2,795 EUR
Retailer 2€2,874 EUR
Retailer 6€2,903 EUR
Retailer 4€2,923 EUR
Retailer 19€3,004 EUR
Retailer 13€3,163 EUR
Retailer 20€3,213 EUR
Retailer 14€3,225 EUR
Retailer 17€3,343 EUR
Retailer 21€3,412 EUR
Retailer 16€4,065 EUR
Retailer 15€4,177 EUR
Retailer 23€4,662 EUR
NZ Jewellers€4,871 EUR

26 data points across 24 retailers

24 retailers€2,155 EUR to €4,871 EUR

A
Cheapest Retailer
-
€2,155 EUR
A
Retailer 2
-
€2,155 EUR
View
A
Retailer 3
-
€2,409 EUR
View
A
Retailer 4
-
€2,425 EUR
View
A
Retailer 5
-
€2,468 EUR
View
A
Retailer 6
-
€2,503 EUR
View
A
Retailer 7
-
€2,580 EUR
View
Final sale: no returns
A
Retailer 8
-
€2,619 EUR
View
B+
Retailer 9
-
€2,718 EUR
View
Retailer 10
-
€2,795 EUR
View
Price last confirmed 9 days ago
B+
Retailer 11
-
€2,795 EUR
View
B+
Retailer 12
-
€2,874 EUR
View
B+
Retailer 13
-
€2,903 EUR
View
B+
Retailer 14
-
€2,923 EUR
View
B+
Retailer 15
-
€3,004 EUR
View
Retailer 16
-
€3,105 EUR
View
Price last confirmed 34 days ago
B+
Retailer 17
-
€3,163 EUR
View
B+
Retailer 18
-
€3,213 EUR
View
B+
Retailer 19
-
€3,225 EUR
View
B+
Retailer 20
-
€3,412 EUR
View
B
Retailer 21
-
€4,065 EUR
View
B
Retailer 22
-
€4,177 EUR
View
B
Retailer 23
-
€4,662 EUR
View
Most Expensive
B
NZ Jewellers
2083813b-8946-41b4-958e-caac659d28fe · Nov 5
€4,871 EUR
$5,438 USD
View
23 more retailers have this diamond
Prices start from €2,155 EURSave up to €2,716 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
€2,155 EUR