CaratHunter
Plans
Round|Natural|GIA

1.20ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1328547279

Certificate GIA 1328547279

Diamond specifications and retailer prices

From €3,050 EUR
As of November 1, 2026
Save €3,750 EUR (55%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €6,800 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 1328547279. Listed at 21 retailers as of November 5, 2026, with prices from €3,050 to €6,800, a €3,750 spread on the same certified stone. NZ Jewellers lists it at €6,800. 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 angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1328547279
Dimensions6.77 × 6.72 × 4.22 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.77 mm6.72 mm1.20 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1328547279
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €6,800 EUR|Low: €2,932 EUR|High: €6,800 EUR|Avg: €4,068 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
November 6, 2026
Retailer 3€3,050 EUR
Retailer 19€3,050 EUR
Retailer 7€3,112 EUR
Retailer 2€3,232 EUR
Retailer 5€3,377 EUR
Retailer 13€3,502 EUR
Retailer 4€3,528 EUR
Retailer 10€3,536 EUR
Retailer 11€3,536 EUR
Retailer 14€3,929 EUR
Retailer 8€3,941 EUR
Retailer 20€3,941 EUR
Retailer 16€4,041 EUR
Retailer 9€4,075 EUR
Retailer 12€4,087 EUR
Retailer 17€4,129 EUR
Retailer 6€4,415 EUR
Retailer 15€4,762 EUR
Retailer 18€6,200 EUR
NZ Jewellers€6,800 EUR

38 data points across 20 retailers

21 retailers€3,050 EUR to €6,800 EUR

B+
Cheapest Retailer
-
€3,050 EUR
B+
Retailer 2
-
€3,050 EUR
View
B+
Retailer 3
-
€3,112 EUR
View
B+
Retailer 4
-
€3,232 EUR
View
Final sale: no returns
B+
Retailer 5
-
€3,237 EUR
View
B
Retailer 6
-
€3,377 EUR
View
B+
Retailer 7
-
€3,502 EUR
View
B+
Retailer 8
-
€3,528 EUR
View
B+
Retailer 9
-
€3,536 EUR
View
Retailer 10
-
€3,536 EUR
View
Price last confirmed 8 days ago
B+
Retailer 11
-
€3,929 EUR
View
B
Retailer 12
-
€3,941 EUR
View
B
Retailer 13
-
€3,941 EUR
View
B
Retailer 14
-
€4,041 EUR
View
B
Retailer 15
-
€4,075 EUR
View
Retailer 16
-
€4,087 EUR
View
Price last confirmed 28 days ago
B
Retailer 17
-
€4,129 EUR
View
Retailer 18
-
€4,415 EUR
View
Price last confirmed 14 days ago
B
Retailer 19
-
€4,762 EUR
View
B
Retailer 20
-
€6,200 EUR
View
Most Expensive
B
NZ Jewellers
ab56c08d-b5e9-43cc-b4c1-58d99346cb36 · Nov 5
€6,800 EUR
$7,592 USD
View
20 more retailers have this diamond
Prices start from €3,050 EURSave up to €3,750 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.

B+
1.20ct Round
€3,050 EUR