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Round|Natural|IGI

1.23ct I VS1 Round Natural Diamond

EX • I/VS1 • IGI 807645221

Shape and cutting style on the report: Round brilliant

Certificate IGI 807645221

Diamond specifications and retailer prices

From €2,093 EUR
As of November 6, 2026
Save €3,516 EUR (63%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: €5,610 EUR at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.23ct natural round diamond

This 1.23ct natural round sits in the classic one-carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 807645221. Listed at 15 retailers as of November 5, 2026, with prices from €2,093 to €5,610, a €3,516 spread on the same certified stone. NZ Jewellers lists it at €5,610. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
I
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 807645221
Dimensions6.79 × 6.84 × 4.24 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.79 mm6.84 mm1.23 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 807645221
Side View
Table 58.0%Crown 36.3°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: €5,610 EUR|Low: €2,093 EUR|High: €5,610 EUR|Avg: €3,124 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 7, 2026
Retailer 7€2,093 EUR
Retailer 3€2,405 EUR
Retailer 5€2,476 EUR
Retailer 11€2,683 EUR
Retailer 13€2,683 EUR
Retailer 12€2,786 EUR
Retailer 2€2,874 EUR
Retailer 6€3,073 EUR
Retailer 4€3,096 EUR
Retailer 8€3,105 EUR
Retailer 9€3,275 EUR
Retailer 10€4,475 EUR
NZ Jewellers€5,610 EUR

33 data points across 13 retailers

15 retailers€2,093 EUR to €5,610 EUR

A
Cheapest Retailer
-
€2,093 EUR
A
Retailer 2
-
€2,403 EUR
View
A
Retailer 3
-
€2,405 EUR
View
A
Retailer 4
-
€2,476 EUR
View
Final sale: no returns
A
Retailer 5
-
€2,541 EUR
View
Retailer 6
-
€2,683 EUR
View
Price last confirmed 9 days ago
A
Retailer 7
-
€2,683 EUR
View
A
Retailer 8
-
€2,786 EUR
View
A
Retailer 9
-
€2,874 EUR
View
A
Retailer 10
-
€3,073 EUR
View
A
Retailer 11
-
€3,096 EUR
View
A
Retailer 12
-
€3,105 EUR
View
A
Retailer 13
-
€3,275 EUR
View
B+
Retailer 14
-
€4,475 EUR
View
Most Expensive
B
NZ Jewellers
93360386-c051-4884-b7f3-937285abda88 · Nov 5
€5,610 EUR
$6,263 USD
View
14 more retailers have this diamond
Prices start from €2,093 EURSave up to €3,516 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
1.23ct Round
€2,093 EUR