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Round|Natural|GIA

1.20ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1529681089

Certificate GIA 1529681089

Diamond specifications and retailer prices

From €2,350 EUR
As of November 6, 2026
Save €3,046 EUR (56%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: €5,396 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 1529681089. Listed at 27 retailers as of November 5, 2026, with prices from €2,350 to €5,396, a €3,046 spread on the same certified stone. NZ Jewellers lists it at €5,396. 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 angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1529681089
Dimensions6.76 × 6.72 × 4.23 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Girdle conditionFaceted
Culet sizeNone
Cert comments
Additional clouds are not shown. Additional pinpoints are not shown.
Key to symbols
Crystal, Cloud, Feather, Needle, Pinpoint
Top View
6.76 mm6.72 mm1.20 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1529681089
Side View
Table 57.0%Crown 36°Girdle: STK-STKPavilion 40.6°Culet: NoneDepth 62.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: €5,396 EUR|Low: €2,327 EUR|High: €5,484 EUR|Avg: €3,190 EUR|-1.6%
NZ Jewellers
Retailer 2
Retailer 3
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Retailer 11
Retailer 12
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Retailer 15
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Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
Retailer 25
November 7, 2026
Retailer 24€2,350 EUR
Retailer 5€2,431 EUR
Retailer 7€2,441 EUR
Retailer 25€2,456 EUR
Retailer 4€2,474 EUR
Retailer 14€2,541 EUR
Retailer 18€2,566 EUR
Retailer 8€2,588 EUR
Retailer 10€2,727 EUR
Retailer 13€2,743 EUR
Retailer 9€2,806 EUR
Retailer 15€2,806 EUR
Retailer 17€2,868 EUR
Retailer 12€2,914 EUR
Retailer 19€2,964 EUR
Retailer 2€3,186 EUR
Retailer 11€3,189 EUR
Retailer 16€3,189 EUR
Retailer 3€3,238 EUR
Retailer 6€3,296 EUR
Retailer 21€3,381 EUR
Retailer 20€3,781 EUR
Retailer 23€4,471 EUR
Retailer 22€5,166 EUR
NZ Jewellers€5,396 EUR

22 data points across 25 retailers

27 retailers€2,350 EUR to €5,396 EUR

A
Cheapest Retailer
-
€2,350 EUR
A
Retailer 2
-
€2,431 EUR
View
A
Retailer 3
-
€2,441 EUR
View
A
Retailer 4
-
€2,456 EUR
View
A
Retailer 5
-
€2,474 EUR
View
A
Retailer 6
-
€2,541 EUR
View
Final sale: no returns
Retailer 7
-
€2,566 EUR
View
Price last confirmed 17 days ago
A
Retailer 8
-
€2,588 EUR
View
B+
Retailer 9
-
€2,727 EUR
View
Retailer 10
-
€2,743 EUR
View
B+
Retailer 11
-
€2,806 EUR
View
Retailer 12
-
€2,806 EUR
View
Price last confirmed 9 days ago
B+
Retailer 13
-
€2,868 EUR
View
B+
Retailer 14
-
€2,914 EUR
View
B+
Retailer 15
-
€2,964 EUR
View
B+
Retailer 16
-
€3,186 EUR
View
B+
Retailer 17
-
€3,189 EUR
View
B+
Retailer 18
-
€3,189 EUR
View
B+
Retailer 19
-
€3,238 EUR
View
B+
Retailer 20
-
€3,296 EUR
View
Retailer 21
-
€3,348 EUR
View
Price last confirmed 34 days ago
B+
Retailer 22
-
€3,381 EUR
View
Retailer 23
-
€3,539 EUR
View
Price last confirmed 15 days ago
B+
Retailer 24
-
€3,781 EUR
View
B
Retailer 25
-
€4,471 EUR
View
B
Retailer 26
-
€5,166 EUR
View
Most Expensive
B
NZ Jewellers
6ce402cb-b0dc-4558-a70e-96c4bf8bd3c9 · Nov 5
€5,396 EUR
$6,025 USD
View
26 more retailers have this diamond
Prices start from €2,350 EURSave up to €3,046 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
€2,350 EUR