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Round|Natural|GIA

1.20ct E SI2 Round Natural Diamond

EX • E/SI2 • GIA 2507071877

Certificate GIA 2507071877

Diamond specifications and retailer prices

From €3,056 EUR
As of November 1, 2026
Save €3,048 EUR (50%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €6,678 EUR at NZ Jewellers · As of October 30, 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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2507071877. Listed at 17 retailers as of November 1, 2026, with a 100% 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
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceMedium
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2507071877
Dimensions6.82 × 6.77 × 4.22 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
6.82 mm6.77 mm1.20 ctE / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2507071877
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.1%

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: €6,678 EUR|Low: €3,056 EUR|High: €6,678 EUR|Avg: €4,108 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
November 6, 2026
Retailer 6€3,056 EUR
Retailer 13€3,118 EUR
Retailer 7€3,127 EUR
Retailer 2€3,364 EUR
Retailer 4€3,472 EUR
Retailer 5€3,472 EUR
Retailer 14€3,507 EUR
Retailer 15€3,606 EUR
Retailer 16€3,641 EUR
Retailer 11€3,864 EUR
Retailer 9€4,007 EUR
Retailer 17€4,046 EUR
Retailer 10€4,113 EUR
Retailer 8€4,337 EUR
Retailer 3€5,598 EUR
Retailer 12€6,104 EUR
NZ Jewellers€6,678 EUR

35 data points across 17 retailers

17 retailers€3,056 EUR to €6,104 EUR

A
Cheapest Retailer
-
€3,056 EUR
A
Retailer 2
-
€3,118 EUR
View
A
Retailer 3
-
€3,127 EUR
View
B+
Retailer 4
-
€3,364 EUR
View
B+
Retailer 5
-
€3,472 EUR
View
Retailer 6
-
€3,472 EUR
View
Price last confirmed 8 days ago
B+
Retailer 7
-
€3,507 EUR
View
Retailer 8
-
€3,606 EUR
View
Price last confirmed 8 days ago
B+
Retailer 9
-
€3,641 EUR
View
B+
Retailer 10
-
€3,864 EUR
View
B+
Retailer 11
-
€4,007 EUR
View
B+
Retailer 12
-
€4,046 EUR
View
B+
Retailer 13
-
€4,113 EUR
View
Retailer 14
-
€4,337 EUR
View
Price last confirmed 14 days ago
B
Retailer 15
-
€5,598 EUR
View
B
Retailer 16
-
€6,104 EUR
View
Most Expensive
B
NZ Jewellers
1060eb82-9990-42f9-97a0-fa67a846bcfc · Oct 30
€6,678 EUR
$7,495 USD
View
Price last confirmed 7 days ago
16 more retailers have this diamond
Prices start from €3,056 EURSave up to €3,048 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
€3,056 EUR