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Round|Natural|GIA

1.23ct I VS1 Round Natural Diamond

EX • I/VS1 • GIA 6551878261

Certificate GIA 6551878261

Diamond specifications and retailer prices

From €3,296 EUR
As of November 4, 2026
Save €3,408 EUR (51%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €6,704 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 GIA 6551878261. Listed at 14 retailers as of November 4, 2026, with prices from €3,296 to €6,704, a €3,408 spread on the same certified stone. NZ Jewellers lists it at €6,704. 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 angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6551878261
Dimensions6.80 × 6.84 × 4.25 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Needle
Top View
6.80 mm6.84 mm1.23 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551878261
Side View
Table 58.0%Crown 35.5°Girdle: Slightly ThickPavilion 41°Culet: NoneDepth 62.3%

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: €3,910 EUR|Low: €3,296 EUR|High: €6,202 EUR|Avg: €4,233 EUR|-0.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 7, 2026
Retailer 6€3,296 EUR
Retailer 8€3,551 EUR
Retailer 2€3,580 EUR
Retailer 1€3,910 EUR
Retailer 4€4,327 EUR
Retailer 3€4,350 EUR
Retailer 7€4,413 EUR
Retailer 5€6,111 EUR

34 data points across 8 retailers

14 retailers€3,296 EUR to €6,704 EUR

A
Cheapest Retailer
-
€3,296 EUR
A
Retailer 2
-
€3,419 EUR
View
A
Retailer 3
-
€3,551 EUR
View
Final sale: no returns
A
Retailer 4
-
€3,580 EUR
View
B+
Retailer 5
-
€3,848 EUR
View
B+
Retailer 6
-
€3,848 EUR
View
B+
Retailer 7
-
€3,910 EUR
View
B+
Retailer 8
-
€4,098 EUR
View
B+
Retailer 9
-
€4,107 EUR
View
B+
Retailer 10
-
€4,327 EUR
View
B+
Retailer 11
-
€4,350 EUR
View
B+
Retailer 12
-
€4,440 EUR
View
B
Retailer 13
-
€6,111 EUR
View
Most Expensive
B
NZ Jewellers
ab6f146a-f1c5-444b-b828-013f84b0769d · Nov 5
€6,704 EUR
$7,485 USD
View
13 more retailers have this diamond
Prices start from €3,296 EURSave up to €3,408 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
€3,296 EUR