Round|Natural|GIA

1.00ct I VS1 Round Natural Diamond

EX • I/VS1 • GIA 5231719445

Certificate GIA 5231719445

Diamond specifications and retailer prices

From €2,145 EUR
HK$18,800 HKD
As of November 1, 2026
Save €2,774 EUR (56%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: €4,920 EUR at NZ Jewellers · As of November 2, 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 5231719445. Listed at 25 retailers as of November 1, 2026, with prices from €2,145 to €4,920, a €2,774 spread on the same certified stone. NZ Jewellers lists it at €4,920. 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
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5231719445
Dimensions6.30 × 6.35 × 4.03 mm
L/W Ratio1.01
Girdle conditionSlightly Thick
Key to symbols
Cloud, Indented Natural, Pinpoint
Top View
6.30 mm6.35 mm1.00 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5231719445
Side View
Table 56.0%Crown 36.5°Girdle: Slightly ThickPavilion 41°Culet: NoneDepth 63.7%

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: €4,920 EUR|Low: €2,123 EUR|High: €4,929 EUR|Avg: €2,909 EUR|-0.2%
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
Retailer 22
Retailer 23
November 2, 2026
Retailer 20€2,145 EUR
Retailer 8€2,228 EUR
Retailer 21€2,296 EUR
Retailer 14€2,309 EUR
Retailer 10€2,333 EUR
Retailer 3€2,365 EUR
Retailer 11€2,371 EUR
Retailer 9€2,563 EUR
Retailer 16€2,563 EUR
Retailer 23€2,568 EUR
Retailer 13€2,647 EUR
Retailer 15€2,661 EUR
Retailer 17€2,914 EUR
Retailer 5€2,915 EUR
Retailer 7€2,915 EUR
Retailer 6€2,957 EUR
Retailer 22€3,014 EUR
Retailer 18€3,102 EUR
Retailer 12€3,267 EUR
Retailer 4€3,355 EUR
Retailer 19€3,478 EUR
Retailer 2€4,732 EUR
NZ Jewellers€4,920 EUR

25 data points across 23 retailers

25 retailers€2,145 EUR to €4,920 EUR

A
Cheapest Retailer
-
€2,145 EUR
HK$18,800 HKD
A
Retailer 2
-
€2,228 EUR
$2,499 USD
View
A
Retailer 3
-
€2,296 EUR
$2,575 USD
View
A
Retailer 4
-
€2,309 EUR
$2,590 USD
View
A
Retailer 5
-
€2,333 EUR
$2,617 USD
View
A
Retailer 6
-
€2,365 EUR
$2,653 USD
View
Final sale: no returns
A
Retailer 7
-
€2,371 EUR
A$4,091 AUD
View
A
Retailer 8
-
€2,563 EUR
$2,875 USD
View
A
Retailer 9
-
€2,563 EUR
$2,875 USD
View
A
Retailer 10
-
€2,568 EUR
$2,880 USD
View
A
Retailer 11
-
€2,647 EUR
£2,338 GBP
View
A
Retailer 12
-
€2,661 EUR
$2,985 USD
View
A
Retailer 13
-
€2,914 EUR
£2,573 GBP
View
B+
Retailer 14
-
€2,915 EUR
$3,270 USD
View
B+
Retailer 15
-
€2,915 EUR
$3,270 USD
View
B+
Retailer 16
-
€2,957 EUR
$3,317 USD
View
B+
Retailer 17
-
€3,014 EUR
$3,380 USD
View
B+
Retailer 18
-
€3,102 EUR
View
Retailer 19
-
€3,222 EUR
A$5,560 AUD
View
Price last confirmed 30 days ago
B+
Retailer 20
-
€3,267 EUR
£2,885 GBP
View
Retailer 21
-
€3,298 EUR
$3,699 USD
View
Price last confirmed 11 days ago
B+
Retailer 22
-
€3,355 EUR
$3,763 USD
View
B+
Retailer 23
-
€3,478 EUR
ZAR 63,012 ZAR
View
B
Retailer 24
-
€4,732 EUR
£4,179 GBP
View
Most Expensive
B
NZ Jewellers
3ad652a9-8922-4ace-953a-ffc859c8ce27 · Nov 2
€4,920 EUR
$5,518 USD
View
24 more retailers have this diamond
Prices start from €2,145 EURSave up to €2,774 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
€2,145 EUR