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Round|Natural|GIA

2.51ct I I1 Round Natural Diamond

EX • I/I1 • GIA 5503501521

Certificate GIA 5503501521

Diamond specifications and retailer prices

From €18,188 EUR
$20,320 USD
As of October 30, 2026
Save €609 EUR (3%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €18,797 EUR at Jared · As of October 30, 2026
View at Jared

About this 2.51ct natural round diamond

This 2.51ct natural round sits in the two to three carat band, graded I colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 5503501521. Listed at 3 retailers as of October 30, 2026, with a relatively tight 3% spread, which is unusual at this carat range and suggests competitive pricing across the listings. At this carat range, natural pricing varies dramatically across retailers, so the cross-retailer spread on this exact stone is your single best indicator of fair price.

The 4Cs

2.51
Carat
I
Color
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5503501521
Dimensions8.62 × 8.66 mm
L/W Ratio1.00
Top View
8.62 mm8.66 mm2.51 ctI / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5503501521
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.4%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 30
Current: €18,797 EUR|Low: €18,188 EUR|High: €18,806 EUR|Avg: €18,422 EUR|-0.0%
Jared
Retailer 2
Retailer 3
June 23, 2026
Retailer 2€18,188 EUR
Retailer 3€18,188 EUR
Jared€18,797 EUR

3 data points across 3 retailers

3 retailers€18,188 EUR to €18,797 EUR

B
Cheapest Retailer
-
€18,188 EUR
$20,320 USD
B
Retailer 2
-
€18,188 EUR
$20,320 USD
View
Most Expensive
B
Jared
155874781 · Oct 30
€18,797 EUR
$21,000 USD
View
2 more retailers have this diamond
Prices start from €18,188 EURSave up to €609 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.

B
2.51ct Round
€18,188 EUR