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Round|Natural|GIA

1.20ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 1439457358

Certificate GIA 1439457358

Diamond specifications and retailer prices

From €2,263 EUR
As of November 4, 2026
Save €4,581 EUR (67%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €6,844 EUR at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

About this 1.2ct natural round diamond

This 1.2ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1439457358. Listed at 21 retailers as of November 4, 2026, with prices from €2,263 to €6,844, a €4,581 spread on the same certified stone. Diamond Quarter lists it at €6,844. 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
H
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1439457358
Dimensions6.79 × 6.75 × 4.25 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Culet sizeNone
Top View
6.79 mm6.75 mm1.20 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1439457358
Side View
Table 56.0%Crown 35°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.7%

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 4
Current: €3,218 EUR|Low: €2,056 EUR|High: €4,993 EUR|Avg: €2,962 EUR|+1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 6€2,315 EUR
Retailer 9€2,316 EUR
Retailer 7€2,468 EUR
Retailer 3€2,673 EUR
Retailer 10€2,730 EUR
Retailer 8€2,776 EUR
Retailer 11€2,902 EUR
Retailer 4€3,035 EUR
Retailer 2€3,084 EUR
Retailer 1€3,218 EUR
Retailer 5€4,921 EUR

41 data points across 11 retailers

21 retailers€2,263 EUR to €6,844 EUR

A
Cheapest Retailer
-
€2,263 EUR
A
Retailer 2
-
€2,315 EUR
View
A
Retailer 3
-
€2,316 EUR
View
A
Retailer 4
-
€2,324 EUR
View
A
Retailer 5
-
€2,468 EUR
View
Final sale: no returns
A
Retailer 6
-
€2,468 EUR
View
Retailer 7
-
€2,673 EUR
View
Price last confirmed 8 days ago
B+
Retailer 8
-
€2,673 EUR
View
B+
Retailer 9
-
€2,730 EUR
View
B+
Retailer 10
-
€2,776 EUR
View
B+
Retailer 11
-
€2,902 EUR
View
B+
Retailer 12
-
€3,035 EUR
View
B+
Retailer 13
-
€3,036 EUR
View
B+
Retailer 14
-
€3,036 EUR
View
B+
Retailer 15
-
€3,084 EUR
View
B+
Retailer 16
-
€3,144 EUR
View
B+
Retailer 17
-
€3,218 EUR
View
Retailer 18
-
€3,421 EUR
View
Price last confirmed 14 days ago
B
Retailer 19
-
€4,921 EUR
View
B
Retailer 20
-
€5,140 EUR
View
Most Expensive
B
Diamond Quarter
1.2SI2H14589FD0N · Nov 5
€6,844 EUR
£6,017 GBP
View
20 more retailers have this diamond
Prices start from €2,263 EURSave up to €4,581 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
€2,263 EUR