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Round|Natural|GIA

1.00ct H SI1 Round Natural Diamond

VG • H/SI1 • GIA 7558404283

Certificate GIA 7558404283

Diamond specifications and retailer prices

From €1,650 EUR
HK$14,400 HKD
As of November 1, 2026
Save €3,164 EUR (66%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €4,814 EUR at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

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 very-good cut grade and certified by GIA 7558404283. Listed at 22 retailers as of October 30, 2026, with prices from €1,650 to €4,814, a €3,164 spread on the same certified stone. NZ Jewellers lists it at €4,814. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
H
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 7558404283
Dimensions6.23 × 6.16 × 4.01 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
6.23 mm6.16 mm1.00 ctH / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7558404283
Side View
Table 59.0%Crown 37.5°Girdle: STK-THKPavilion 40.8°Culet: NoneDepth 64.7%

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 1
Current: €4,814 EUR|Low: €1,650 EUR|High: €4,958 EUR|Avg: €2,513 EUR|-2.9%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 2, 2026
Retailer 18€1,650 EUR
Retailer 17€1,676 EUR
Retailer 6€1,829 EUR
Retailer 20€1,933 EUR
Retailer 13€2,040 EUR
Retailer 16€2,070 EUR
Retailer 10€2,095 EUR
Retailer 4€2,112 EUR
Retailer 5€2,211 EUR
Retailer 3€2,256 EUR
Retailer 11€2,302 EUR
Retailer 15€2,348 EUR
Retailer 14€2,384 EUR
Retailer 12€2,409 EUR
Retailer 8€2,468 EUR
Retailer 2€2,579 EUR
Retailer 9€2,631 EUR
Retailer 19€2,702 EUR
Retailer 7€2,802 EUR
Retailer 21€3,873 EUR
NZ Jewellers€4,814 EUR

19 data points across 21 retailers

22 retailers€1,650 EUR to €4,814 EUR

A
Cheapest Retailer
-
€1,650 EUR
HK$14,400 HKD
A
Retailer 2
-
€1,676 EUR
₹178,338 INR
View
A
Retailer 3
-
€1,829 EUR
$2,043 USD
View
A
Retailer 4
-
€1,933 EUR
$2,160 USD
View
B+
Retailer 5
-
€2,040 EUR
$2,279 USD
View
Final sale: no returns
A
Retailer 6
-
€2,070 EUR
$2,313 USD
View
B+
Retailer 7
-
€2,095 EUR
$2,340 USD
View
B+
Retailer 8
-
€2,112 EUR
$2,359 USD
View
B+
Retailer 9
-
€2,211 EUR
$2,470 USD
View
B+
Retailer 10
-
€2,256 EUR
$2,520 USD
View
B+
Retailer 11
-
€2,302 EUR
$2,572 USD
View
B+
Retailer 12
-
€2,348 EUR
£2,066 GBP
View
B+
Retailer 13
-
€2,384 EUR
SGD 3,599 SGD
View
B+
Retailer 14
-
€2,409 EUR
$2,691 USD
View
B+
Retailer 15
-
€2,468 EUR
$2,757 USD
View
B+
Retailer 16
-
€2,579 EUR
View
B+
Retailer 17
-
€2,631 EUR
$2,939 USD
View
B+
Retailer 18
-
€2,702 EUR
$3,019 USD
View
Retailer 19
-
€2,709 EUR
A$4,656 AUD
View
Price last confirmed 25 days ago
B
Retailer 20
-
€2,802 EUR
ZAR 50,573 ZAR
View
B
Retailer 21
-
€3,873 EUR
£3,407 GBP
View
Most Expensive
B
NZ Jewellers
038b0f75-2982-4049-9341-c61daff950d1 · Oct 30
€4,814 EUR
$5,378 USD
View
21 more retailers have this diamond
Prices start from €1,650 EURSave up to €3,164 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
€1,650 EUR