Round|Natural|GIA

1.20ct K SI2 Round Natural Diamond

EX • K/SI2 • GIA 2487290910

Certificate GIA 2487290910

Diamond specifications and retailer prices

From €1,689 EUR
As of November 6, 2026
Save €2,999 EUR (64%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €4,688 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2487290910. Listed at 12 retailers as of November 5, 2026, with prices from €1,689 to €4,688, a €2,999 spread on the same certified stone. NZ Jewellers lists it at €4,688. 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
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2487290910
Dimensions6.84 × 6.81 × 4.12 mm
L/W Ratio1.00
Top View
6.84 mm6.81 mm1.20 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2487290910
Side View
Table 60.0%Crown 33°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 60.3%

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: €4,688 EUR|Low: €1,689 EUR|High: €4,688 EUR|Avg: €2,755 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 6€1,689 EUR
Retailer 8€2,031 EUR
Retailer 10€2,031 EUR
Retailer 7€2,125 EUR
Retailer 9€2,344 EUR
Retailer 2€2,358 EUR
Retailer 3€2,615 EUR
Retailer 4€2,656 EUR
Retailer 5€3,919 EUR
NZ Jewellers€4,688 EUR

41 data points across 10 retailers

12 retailers€1,689 EUR to €4,688 EUR

A
Cheapest Retailer
-
€1,689 EUR
A
Retailer 2
-
€1,835 EUR
View
Retailer 3
-
€2,031 EUR
View
Price last confirmed 8 days ago
B+
Retailer 4
-
€2,031 EUR
View
B+
Retailer 5
-
€2,125 EUR
View
B+
Retailer 6
-
€2,201 EUR
View
B+
Retailer 7
-
€2,344 EUR
View
B+
Retailer 8
-
€2,358 EUR
View
B
Retailer 9
-
€2,615 EUR
View
B+
Retailer 10
-
€2,656 EUR
View
B
Retailer 11
-
€3,919 EUR
View
Most Expensive
B
NZ Jewellers
ee68daaf-70f5-4bc3-a457-0ed156f73fcc · Nov 5
€4,688 EUR
$5,234 USD
View
11 more retailers have this diamond
Prices start from €1,689 EURSave up to €2,999 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
€1,689 EUR