Round|Natural|GIA

1.30ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2557211440

Certificate GIA 2557211440

Diamond specifications and retailer prices

From €1,630 EUR
As of November 6, 2026
Save €2,162 EUR (57%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €3,793 EUR at MOH London · As of November 4, 2026
View at MOH London

About this 1.3ct natural round diamond

This 1.3ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2557211440. Listed at 13 retailers as of November 4, 2026, with prices from €1,630 to €3,793, a €2,162 spread on the same certified stone. MOH London lists it at €3,793. 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

1.30
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2557211440
Dimensions6.94 × 6.90 × 4.34 mm
L/W Ratio1.01
Top View
6.94 mm6.90 mm1.30 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2557211440
Side View
Table 58.0%Crown 36°Girdle: Slightly ThickPavilion 40.8°Culet: NoneDepth 62.7%

Caratlytics Score

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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: €3,793 EUR|Low: €1,619 EUR|High: €4,667 EUR|Avg: €2,495 EUR|-2.8%
MOH London
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
November 6, 2026
Retailer 12€1,630 EUR
Retailer 6€1,717 EUR
Retailer 8€1,981 EUR
Retailer 13€1,991 EUR
Retailer 16€1,991 EUR
Retailer 3€2,004 EUR
Retailer 2€2,077 EUR
Retailer 9€2,269 EUR
Retailer 4€2,275 EUR
Retailer 11€2,283 EUR
Retailer 15€2,420 EUR
Retailer 10€2,650 EUR
Retailer 5€2,710 EUR
Retailer 14€3,326 EUR
MOH London€3,793 EUR
Retailer 7€4,187 EUR

30 data points across 16 retailers

13 retailers€1,630 EUR to €3,793 EUR

A
Cheapest Retailer
-
€1,630 EUR
Retailer 2
-
€1,717 EUR
View
Price last confirmed 29 days ago
A
Retailer 3
-
€1,991 EUR
View
A
Retailer 4
-
€1,991 EUR
View
A
Retailer 5
-
€2,004 EUR
View
Final sale: no returns
A
Retailer 6
-
€2,077 EUR
View
A
Retailer 7
-
€2,269 EUR
View
B+
Retailer 8
-
€2,275 EUR
View
A
Retailer 9
-
€2,283 EUR
View
B+
Retailer 10
-
€2,420 EUR
View
B+
Retailer 11
-
€2,650 EUR
View
B+
Retailer 12
-
€3,326 EUR
View
Most Expensive
B
MOH London
488879128 · Nov 4
€3,793 EUR
£3,352 GBP
View
12 more retailers have this diamond
Prices start from €1,630 EURSave up to €2,162 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
1.30ct Round
€1,630 EUR