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1.51ct G I1 Round Natural Diamond

EX • G/I1 • IGI 628465332

Shape and cutting style on the report: Round brilliant

Certificate IGI 628465332

Diamond specifications and retailer prices

From €1,666 EUR
₹177,293 INR
As of November 1, 2026
Save €3,264 EUR (66%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €4,930 EUR at NZ Jewellers · As of October 30, 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 G colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by IGI 628465332. Listed at 8 retailers as of October 30, 2026, with prices from €1,666 to €4,930, a €3,264 spread on the same certified stone. NZ Jewellers lists it at €4,930. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
G
Color
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.7°
OriginNatural
Grading LabIGI
CertificateIGI 628465332
Dimensions7.31 × 7.34 × 4.58 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
7.31 mm7.34 mm1.51 ctG / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 628465332
Side View
Table 56.0%Crown 36°Girdle: MediumPavilion 40.7°Culet: NoneDepth 62.4%

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: €4,930 EUR|Low: €1,662 EUR|High: €4,930 EUR|Avg: €2,718 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 3€1,666 EUR
Retailer 4€2,112 EUR
Retailer 6€2,359 EUR
Retailer 8€2,359 EUR
Retailer 5€2,449 EUR
Retailer 7€2,721 EUR
Retailer 2€2,932 EUR
NZ Jewellers€4,930 EUR

42 data points across 8 retailers

8 retailers€1,666 EUR to €4,930 EUR

A
Cheapest Retailer
-
€1,666 EUR
₹177,293 INR
A
Retailer 2
-
€2,112 EUR
$2,360 USD
View
B+
Retailer 3
-
€2,359 EUR
$2,635 USD
View
B+
Retailer 4
-
€2,359 EUR
$2,635 USD
View
B+
Retailer 5
-
€2,449 EUR
$2,736 USD
View
B+
Retailer 6
-
€2,721 EUR
$3,040 USD
View
A
Retailer 7
-
€2,932 EUR
View
Most Expensive
B
NZ Jewellers
6dcddb49-6113-4fd4-ab53-4a129925cb7b · Oct 30
€4,930 EUR
$5,508 USD
View
7 more retailers have this diamond
Prices start from €1,666 EURSave up to €3,264 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
€1,666 EUR