CaratHunter
Plans
Round|Natural|IGI

2.51ct L SI1 Round Natural Diamond

EX • L/SI1 • IGI 573303601

Shape and cutting style on the report: Round brilliant

Certificate IGI 573303601

Diamond specifications and retailer prices

From €6,063 EUR
As of November 4, 2026
Save €5,669 EUR (48%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €11,732 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 2.51ct natural round diamond

This 2.51ct natural round sits in the two to three carat band, graded L colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 573303601. Listed at 12 retailers as of November 4, 2026, with prices from €6,063 to €11,732, a €5,669 spread on the same certified stone. NZ Jewellers lists it at €11,732. 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

2.51
Carat
L
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle41.4°
OriginNatural
Grading LabIGI
CertificateIGI 573303601
Dimensions8.70 × 8.74 × 5.42 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
8.70 mm8.74 mm2.51 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 573303601
Side View
Table 57.0%Crown 35.1°Girdle: THN-MEDPavilion 41.4°Culet: NoneDepth 62.2%

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 4
Current: €11,732 EUR|Low: €6,043 EUR|High: €12,703 EUR|Avg: €7,731 EUR|-7.6%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 12€6,063 EUR
Retailer 8€6,101 EUR
Retailer 3€6,468 EUR
Retailer 9€6,475 EUR
Retailer 2€6,712 EUR
Retailer 11€7,014 EUR
Retailer 10€7,122 EUR
Retailer 4€7,161 EUR
Retailer 6€7,639 EUR
Retailer 5€8,054 EUR
Retailer 7€8,093 EUR
NZ Jewellers€11,732 EUR

34 data points across 12 retailers

12 retailers€6,063 EUR to €11,732 EUR

A
Cheapest Retailer
-
€6,063 EUR
A
Retailer 2
-
€6,101 EUR
View
A
Retailer 3
-
€6,468 EUR
View
Retailer 4
-
€6,475 EUR
View
Price last confirmed 8 days ago
A
Retailer 5
-
€6,712 EUR
View
A
Retailer 6
-
€7,014 EUR
View
A
Retailer 7
-
€7,122 EUR
View
A
Retailer 8
-
€7,161 EUR
View
B+
Retailer 9
-
€7,639 EUR
View
B+
Retailer 10
-
€8,054 EUR
View
B+
Retailer 11
-
€8,093 EUR
View
Most Expensive
B
NZ Jewellers
73a18abf-e15a-41e8-be7c-880a184cc0f2 · Nov 5
€11,732 EUR
$13,168 USD
View
11 more retailers have this diamond
Prices start from €6,063 EURSave up to €5,669 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
2.51ct Round
€6,063 EUR