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Round|Natural|IGI

1.51ct I IF Round Natural Diamond

EX • I/IF • IGI 693503105

Shape and cutting style on the report: Round brilliant

Certificate IGI 693503105

Diamond specifications and retailer prices

From €4,575 EUR
As of November 6, 2026
Save €4,386 EUR (49%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €9,917 EUR at NZ Jewellers · As of September 19, 2026
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 693503105. Listed at 15 retailers as of November 4, 2026, with a 96% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
I
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle41°
OriginNatural
Grading LabIGI
CertificateIGI 693503105
Dimensions7.28 × 7.22 × 4.56 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.28 mm7.22 mm1.51 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 693503105
Side View
Table 58.0%Crown 36.1°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.8%

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 6
Current: €5,851 EUR|Low: €4,476 EUR|High: €8,961 EUR|Avg: €6,149 EUR|+0.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 4€4,575 EUR
Retailer 3€5,141 EUR
Retailer 10€5,318 EUR
Retailer 2€5,630 EUR
Retailer 9€5,656 EUR
Retailer 1€5,851 EUR
Retailer 5€6,038 EUR
Retailer 6€6,242 EUR
Retailer 8€6,245 EUR
Retailer 7€7,441 EUR
Retailer 11€8,961 EUR

28 data points across 11 retailers

15 retailers€4,575 EUR to €8,961 EUR

A
Cheapest Retailer
-
€4,575 EUR
A
Retailer 2
-
€5,120 EUR
View
A
Retailer 3
-
€5,141 EUR
View
A
Retailer 4
-
€5,318 EUR
View
A
Retailer 5
-
€5,630 EUR
View
Final sale: no returns
A
Retailer 6
-
€5,656 EUR
View
A
Retailer 7
-
€5,851 EUR
View
Retailer 8
-
€5,963 EUR
View
Price last confirmed 45 days ago
A
Retailer 9
-
€6,038 EUR
View
A
Retailer 10
-
€6,242 EUR
View
A
Retailer 11
-
€6,245 EUR
View
Retailer 12
-
€6,842 EUR
View
Price last confirmed 46 days ago
B+
Retailer 13
-
€7,441 EUR
View
B+
Retailer 14
-
€8,961 EUR
View
Most Expensive
NZ Jewellers
8e40e6fa-e306-4c29-a413-7b33e266e2f8 · Sep 19
€9,917 EUR
$11,072 USD
View
Price last confirmed 48 days ago
14 more retailers have this diamond
Prices start from €4,575 EURSave up to €4,386 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
1.51ct Round
€4,575 EUR