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Round|Natural|GIA

1.00ct D I1 Round Natural Diamond

EX • D/I1 • GIA 6233588302

Certificate GIA 6233588302

Diamond specifications and retailer prices

From €2,449 EUR
$2,736 USD
As of November 1, 2026
Save €397 EUR (14%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €4,924 EUR at NZ Jewellers · As of September 27, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded D colour (colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 6233588302. Listed at 11 retailers as of October 28, 2026, with a relatively tight 16% spread, which is unusual at this carat range and suggests competitive pricing across the listings. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
D
Color
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle34°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6233588302
Dimensions6.47 × 6.42 × 3.93 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
6.47 mm6.42 mm1.00 ctD / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6233588302
Side View
Table 59.0%Crown 34°Girdle: ThickPavilion 41°Culet: NoneDepth 61.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €2,757 EUR|Low: €2,131 EUR|High: €4,340 EUR|Avg: €2,869 EUR|-2.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 12, 2026
Retailer 9€2,131 EUR
Retailer 7€2,292 EUR
Retailer 4€2,449 EUR
Retailer 11€2,465 EUR
Retailer 1€2,757 EUR
Retailer 8€2,757 EUR
Retailer 6€2,846 EUR
Retailer 2€2,959 EUR
Retailer 10€3,168 EUR
Retailer 5€3,290 EUR
Retailer 3€4,340 EUR

11 data points across 11 retailers

11 retailers€2,449 EUR to €2,846 EUR

Retailer 1
-
€2,292 EUR
$2,561 USD
Price last confirmed 27 days ago
B+
Retailer 2
-
€2,449 EUR
$2,736 USD
View
Retailer 3
-
€2,465 EUR
$2,754 USD
View
Price last confirmed 97 days ago
Retailer 4
-
€2,560 EUR
$2,860 USD
View
Price last confirmed 24 days ago
Retailer 5
-
€2,560 EUR
$2,860 USD
View
Price last confirmed 24 days ago
Retailer 6
-
€2,658 EUR
$2,970 USD
View
Price last confirmed 33 days ago
B+
Retailer 7
-
€2,757 EUR
$3,080 USD
View
B+
Retailer 8
-
€2,757 EUR
$3,080 USD
View
B
Retailer 9
-
€2,846 EUR
$3,180 USD
View
Retailer 10
-
€2,954 EUR
$3,300 USD
View
Price last confirmed 33 days ago
Most Expensive
NZ Jewellers
d3b0eec9-011a-47f2-9d05-2bf35a0e4168 · Sep 27
€4,924 EUR
$5,501 USD
View
Price last confirmed 35 days ago
10 more retailers have this diamond
Prices start from €2,449 EURSave up to €397 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.

B+
1.00ct Round
€2,449 EUR