Round|Natural|GIA

4.21ct I VS1 Round Natural Diamond

EX • I/VS1 • GIA 6542806446

Certificate GIA 6542806446

Diamond specifications and retailer prices

From €56,414 EUR
$63,026 USD
As of October 31, 2026
Save €39,702 EUR (41%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €96,116 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 4.21ct natural round diamond

This 4.21ct 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 6542806446. Listed at 13 retailers as of October 31, 2026, with prices from €56,414 to €96,116, a €39,702 spread on the same certified stone. MOH London lists it at €96,116. 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

4.21
Carat
I
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6542806446
Dimensions10.25 × 10.33 × 6.37 mm
L/W Ratio1.01
Top View
10.25 mm10.33 mm4.21 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542806446
Side View
Table 58.0%CrownGirdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.8%

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 31
Current: €96,116 EUR|Low: €59,147 EUR|High: €97,274 EUR|Avg: €69,255 EUR|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 4€59,147 EUR
Retailer 2€61,284 EUR
Retailer 8€61,830 EUR
Retailer 7€64,107 EUR
Retailer 5€65,351 EUR
Retailer 6€69,121 EUR
Retailer 3€74,674 EUR
MOH London€96,116 EUR

39 data points across 8 retailers

13 retailers€56,414 EUR to €96,116 EUR

A
Cheapest Retailer
-
€56,414 EUR
$63,026 USD
Final sale: no returns
A
Retailer 2
-
€57,766 EUR
CA$89,634 CAD
View
A
Retailer 3
-
€58,815 EUR
$65,709 USD
View
A
Retailer 4
-
€59,147 EUR
$66,079 USD
View
A
Retailer 5
-
€61,284 EUR
£53,911 GBP
View
A
Retailer 6
-
€61,830 EUR
$69,077 USD
View
B+
Retailer 7
-
€64,107 EUR
$71,621 USD
View
B+
Retailer 8
-
€65,351 EUR
$73,010 USD
View
B+
Retailer 9
-
€67,864 EUR
$75,818 USD
View
B+
Retailer 10
-
€69,121 EUR
$77,222 USD
View
B+
Retailer 11
-
€71,661 EUR
$80,060 USD
View
B+
Retailer 12
-
€74,674 EUR
View
Most Expensive
B
MOH London
81249B3E5 · Nov 1
€96,116 EUR
£84,552 GBP
View
12 more retailers have this diamond
Prices start from €56,414 EURSave up to €39,702 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
4.21ct Round
€56,414 EUR