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Round|Natural|GIA

1.51ct I VS1 Round Natural Diamond

ID • I/VS1 • GIA 307

Certificate GIA 307

Diamond specifications and retailer prices

From €5,550 EUR
As of November 3, 2026
Save €3,610 EUR (39%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €9,160 EUR at Helzberg Diamonds · As of November 3, 2026
View at Helzberg Diamonds

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA. Listed at 7 retailers as of November 3, 2026, with prices from €5,550 to €9,160, a €3,610 spread on the same certified stone. Helzberg Diamonds lists it at €9,160. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 307
Dimensions7.26 × 7.32 × 4.58 mm
L/W Ratio1.01
Top View
7.26 mm7.32 mm1.51 ctI / VS1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 307
Side View
Table 58.0%CrownGirdle: THN-STKPavilionCulet: NoneDepth 62.8%

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 3
Current: €9,160 EUR|Low: €5,550 EUR|High: €9,566 EUR|Avg: €7,154 EUR|-4.2%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 28, 2026
Retailer 5€5,550 EUR
Retailer 4€5,889 EUR
Retailer 2€5,904 EUR
Retailer 3€5,986 EUR
Retailer 7€6,474 EUR
Retailer 6€7,030 EUR
Retailer 8€8,022 EUR
Retailer 9€9,008 EUR
Helzberg Diamonds€9,160 EUR

31 data points across 9 retailers

7 retailers€5,550 EUR to €9,160 EUR

A
Cheapest Retailer
-
€5,550 EUR
A
Retailer 2
-
€5,889 EUR
View
A
Retailer 3
-
€5,904 EUR
View
A
Retailer 4
-
€5,986 EUR
View
Retailer 5
-
€6,474 EUR
View
Price last confirmed 18 days ago
B+
Retailer 6
-
€7,030 EUR
View
Most Expensive
B+
Helzberg Diamonds
XZRMLMLHOHMPG · Nov 3
€9,160 EUR
$10,281 USD
View
6 more retailers have this diamond
Prices start from €5,550 EURSave up to €3,610 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
1.51ct Round
€5,550 EUR