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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 $2,227 USD
HK$17,400 HKD
As of November 1, 2026
Save $2,820 USD (56%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,359 USD 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: $5,047 USD|Low: $2,227 USD|High: $5,444 USD|Avg: $3,279 USD|-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$2,227 USD
Retailer 2$2,586 USD
Retailer 4$2,717 USD
Retailer 8$3,076 USD
Retailer 6$3,127 USD
Retailer 9$3,171 USD
Retailer 3$3,464 USD
Retailer 7$4,662 USD
Retailer 1$5,047 USD

40 data points across 9 retailers

11 retailers$2,227 USD to $5,047 USD

A
Cheapest Retailer
-
$2,227 USD
HK$17,400 HKD
A
Retailer 2
-
$2,586 USD
€2,462 EUR
View
A
Retailer 3
-
$2,717 USD
View
Retailer 4
-
$3,076 USD
View
Price last confirmed 13 days ago
Retailer 5
-
$3,127 USD
SGD 4,226 SGD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
$3,171 USD
A$4,878 AUD
View
Retailer 7
-
$3,224 USD
View
Price last confirmed 18 days ago
B+
Retailer 8
-
$3,464 USD
€3,299 EUR
View
Retailer 9
-
$4,662 USD
€4,440 EUR
View
Price last confirmed 12 days ago
B
Retailer 10
-
$5,047 USD
£3,974 GBP
View
Most Expensive
NZ Jewellers
a9ac2355-826d-4469-8702-f25364f15cf1 · Oct 17
$5,359 USD
View
Price last confirmed 16 days ago
10 more retailers have this diamond
Prices start from $2,227 USDSave up to $2,820 USD

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
$2,227 USD