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Round|Natural|GIA

1.30ct M SI1 Round Natural Diamond

EX • M/SI1 • GIA 2245008318

Certificate GIA 2245008318

Diamond specifications and retailer prices

From €1,129 EUR
As of November 1, 2026
Save €502 EUR (31%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: €1,630 EUR at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

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 M colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2245008318. Listed at 4 retailers as of November 1, 2026, with prices from €1,129 to €1,630, a €502 spread on the same certified stone. Brilliant Earth lists it at €1,630. 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
M
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2245008318
Dimensions7.02 × 7.07 × 4.26 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
7.02 mm7.07 mm1.30 ctM / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2245008318
Side View
Table 59.0%Crown 33.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.5%

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: €1,630 EUR|Low: €1,117 EUR|High: €2,425 EUR|Avg: €1,633 EUR|-2.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 31, 2026
Retailer 2€1,129 EUR
Retailer 3€1,386 EUR
Retailer 4€1,392 EUR
Brilliant Earth€1,630 EUR
Retailer 5€2,425 EUR

14 data points across 5 retailers

4 retailers€1,129 EUR to €1,630 EUR

A
Cheapest Retailer
-
€1,129 EUR
A
Retailer 2
-
€1,386 EUR
View
B+
Retailer 3
-
€1,392 EUR
View
Final sale: no returns
Most Expensive
B+
Brilliant Earth
21531864A · Nov 2
€1,630 EUR
$1,830 USD
View
3 more retailers have this diamond
Prices start from €1,129 EURSave up to €502 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
€1,129 EUR