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Round|Natural|GIA

4.51ct I VS1 Round Natural Diamond

EX • I/VS1 • GIA 1246058156

Certificate GIA 1246058156

Diamond specifications and retailer prices

From €66,265 EUR
$74,032 USD
As of October 29, 2026
Save €41,993 EUR (39%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €108,259 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 4.51ct natural round diamond

This 4.51ct natural round sits in the three to five carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 1246058156. Listed at 8 retailers as of October 29, 2026, with prices from €66,265 to €108,259, a €41,993 spread on the same certified stone. MOH London lists it at €108,259. At this carat range, natural pricing varies dramatically across retailers, so the cross-retailer spread on this exact stone is your single best indicator of fair price.

The 4Cs

4.51
Carat
I
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1246058156
Dimensions10.84 × 10.88 × 6.38 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Cloud
Top View
10.84 mm10.88 mm4.51 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1246058156
Side View
Table 60.0%Crown 31.5°Girdle: MediumPavilion 41.2°Culet: NoneDepth 58.8%

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: Oct 29
Current: €108,259 EUR|Low: €66,265 EUR|High: €108,403 EUR|Avg: €76,735 EUR|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 4€66,265 EUR
Retailer 6€66,639 EUR
Retailer 3€69,618 EUR
Retailer 5€73,628 EUR
Retailer 9€73,963 EUR
Retailer 7€76,460 EUR
Retailer 8€77,876 EUR
Retailer 2€82,099 EUR
MOH London€108,259 EUR

7 data points across 9 retailers

8 retailers€66,265 EUR to €108,259 EUR

A
Cheapest Retailer
-
€66,265 EUR
$74,032 USD
A
Retailer 2
-
€66,639 EUR
$74,449 USD
View
B+
Retailer 3
-
€69,618 EUR
£61,242 GBP
View
B+
Retailer 4
-
€73,628 EUR
$82,258 USD
View
B+
Retailer 5
-
€73,963 EUR
$82,632 USD
View
B+
Retailer 6
-
€76,460 EUR
$85,422 USD
View
B+
Retailer 7
-
€82,099 EUR
View
Most Expensive
B
MOH London
EA8485C8C · Nov 1
€108,259 EUR
£95,234 GBP
View
7 more retailers have this diamond
Prices start from €66,265 EURSave up to €41,993 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
4.51ct Round
€66,265 EUR