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Round|Natural|GIA

1.23ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 6555769796

Certificate GIA 6555769796

Diamond specifications and retailer prices

From €2,920 EUR
$3,262 USD
As of October 30, 2026
Save €2,810 EUR (49%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €5,729 EUR at NZ Jewellers · As of October 30, 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 D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6555769796. Listed at 12 retailers as of October 30, 2026, with prices from €2,920 to €5,729, a €2,810 spread on the same certified stone. NZ Jewellers lists it at €5,729. 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

1.23
Carat
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6555769796
Dimensions6.82 × 6.76 × 4.27 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.82 mm6.76 mm1.23 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6555769796
Side View
Table 56.0%Crown 36.5°Girdle: MED-STKPavilion 40.8°CuletDepth 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: Oct 30
Current: €5,729 EUR|Low: €2,835 EUR|High: €5,837 EUR|Avg: €3,780 EUR|-1.8%
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 1, 2026
Retailer 12€2,920 EUR
Retailer 3€3,035 EUR
Retailer 4€3,098 EUR
Retailer 8€3,289 EUR
Retailer 10€3,289 EUR
Retailer 9€3,416 EUR
Retailer 5€3,416 EUR
Retailer 7€3,791 EUR
Retailer 11€3,794 EUR
Retailer 6€3,851 EUR
Retailer 2€5,500 EUR
NZ Jewellers€5,729 EUR

41 data points across 12 retailers

12 retailers€2,920 EUR to €5,729 EUR

A
Cheapest Retailer
-
€2,920 EUR
$3,262 USD
A
Retailer 2
-
€3,035 EUR
$3,391 USD
View
Final sale: no returns
B+
Retailer 3
-
€3,289 EUR
$3,674 USD
View
B+
Retailer 4
-
€3,289 EUR
$3,674 USD
View
B+
Retailer 5
-
€3,416 EUR
$3,816 USD
View
B+
Retailer 6
-
€3,416 EUR
£3,005 GBP
View
B+
Retailer 7
-
€3,791 EUR
£3,335 GBP
View
B+
Retailer 8
-
€3,794 EUR
$4,239 USD
View
B+
Retailer 9
-
€3,851 EUR
View
Retailer 10
-
€3,937 EUR
$4,398 USD
View
Price last confirmed 64 days ago
B
Retailer 11
-
€5,500 EUR
£4,838 GBP
View
Most Expensive
B
NZ Jewellers
fa709ad6-558f-4b7a-98ff-660f780ca4b6 · Oct 30
€5,729 EUR
$6,401 USD
View
11 more retailers have this diamond
Prices start from €2,920 EURSave up to €2,810 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
€2,920 EUR