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Round|Natural|GIA

1.00ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 7566188827

Certificate GIA 7566188827

Diamond specifications and retailer prices

From €1,395 EUR
SGD 2,106 SGD
As of October 31, 2026
Save €1,313 EUR (48%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €2,708 EUR at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

About this 1ct natural round diamond

This 1ct natural round sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7566188827. Listed at 8 retailers as of October 26, 2026, with prices from €1,395 to €2,708, a €1,313 spread on the same certified stone. Wholesale Diamonds Direct lists it at €2,708. 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

1.00
Carat
H
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 7566188827
Dimensions6.37 × 6.41 × 4.00 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.37 mm6.41 mm1.00 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7566188827
Side View
Table 56.0%Crown 34°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.5%

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 31
Current: €2,324 EUR|Low: €1,395 EUR|High: €3,445 EUR|Avg: €2,240 EUR|-15.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Wholesale Diamonds Direct
October 30, 2026
Retailer 4€1,395 EUR
Retailer 2€1,628 EUR
Retailer 6€1,788 EUR
Retailer 3€2,097 EUR
Retailer 5€2,116 EUR
Retailer 1€2,324 EUR
Retailer 7€2,504 EUR
Wholesale Diamonds Direct€2,708 EUR

29 data points across 8 retailers

8 retailers€1,395 EUR to €2,708 EUR

A
Cheapest Retailer
-
€1,395 EUR
SGD 2,106 SGD
A
Retailer 2
-
€1,628 EUR
$1,819 USD
View
A
Retailer 3
-
€1,788 EUR
SGD 2,700 SGD
View
A
Retailer 4
-
€2,097 EUR
£1,845 GBP
View
A
Retailer 5
-
€2,116 EUR
$2,363 USD
View
B+
Retailer 6
-
€2,324 EUR
View
B+
Retailer 7
-
€2,504 EUR
$2,797 USD
View
Most Expensive
B+
Wholesale Diamonds Direct
611346686 · Oct 26
€2,708 EUR
$3,026 USD
View
7 more retailers have this diamond
Prices start from €1,395 EURSave up to €1,313 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
1.00ct Round
€1,395 EUR