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Round|Natural|GIA

1.00ct I VS1 Round Natural Diamond

EX • I/VS1 • GIA 1242015511

Certificate GIA 1242015511

Diamond specifications and retailer prices

From €1,986 EUR
HK$17,400 HKD
As of November 1, 2026
Save €2,514 EUR (56%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €4,778 EUR at NZ Jewellers · As of October 17, 2026
View at NZ Jewellers

About this 1ct natural round diamond

This 1ct 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 1242015511. Listed at 11 retailers as of November 1, 2026, with a 127% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
I
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1242015511
Dimensions6.31 × 6.36 × 3.97 mm
L/W Ratio1.01
Key to symbols
Crystal, Cloud, Pinpoint, Natural
Top View
6.31 mm6.36 mm1.00 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1242015511
Side View
Table 57.0%CrownGirdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.7%

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: €4,500 EUR|Low: €1,986 EUR|High: €4,854 EUR|Avg: €2,928 EUR|-7.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 5€1,986 EUR
Retailer 2€2,305 EUR
Retailer 4€2,422 EUR
Retailer 8€2,743 EUR
Retailer 6€2,788 EUR
Retailer 9€2,827 EUR
Retailer 3€3,088 EUR
Retailer 7€4,157 EUR
Retailer 1€4,500 EUR

39 data points across 9 retailers

11 retailers€1,986 EUR to €4,500 EUR

A
Cheapest Retailer
-
€1,986 EUR
HK$17,400 HKD
A
Retailer 2
-
€2,305 EUR
View
A
Retailer 3
-
€2,422 EUR
$2,717 USD
View
Retailer 4
-
€2,743 EUR
$3,076 USD
View
Price last confirmed 13 days ago
Retailer 5
-
€2,788 EUR
SGD 4,226 SGD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
€2,827 EUR
A$4,878 AUD
View
Retailer 7
-
€2,874 EUR
$3,224 USD
View
Price last confirmed 18 days ago
B+
Retailer 8
-
€3,088 EUR
View
Retailer 9
-
€4,157 EUR
View
Price last confirmed 12 days ago
B
Retailer 10
-
€4,500 EUR
£3,974 GBP
View
Most Expensive
NZ Jewellers
a9ac2355-826d-4469-8702-f25364f15cf1 · Oct 17
€4,778 EUR
$5,359 USD
View
Price last confirmed 16 days ago
10 more retailers have this diamond
Prices start from €1,986 EURSave up to €2,514 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
€1,986 EUR