Round|Natural|GIA

3.11ct J SI2 Round Natural Diamond

EX • J/SI2

Diamond specifications and retailer prices

From €18,831 EUR
$21,038 USD
As of October 31, 2026
Save €10,289 EUR (35%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €29,120 EUR at NZ Jewellers · As of October 14, 2026
View at NZ Jewellers

About this 3.11ct natural round diamond

This 3.11ct natural round sits in the three to five carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA. Listed at 16 retailers as of October 30, 2026, with a 55% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.11
Carat
J
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
Dimensions9.24 × 9.29 × 5.78 mm
L/W Ratio1.01
Top View
9.24 mm9.29 mm3.11 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA
Side View
Table 58.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 62.4%

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: €29,120 EUR|Low: €18,584 EUR|High: €29,120 EUR|Avg: €23,089 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 4€18,831 EUR
Retailer 8€20,047 EUR
Retailer 5€20,556 EUR
Retailer 7€21,583 EUR
Retailer 3€22,268 EUR
Retailer 9€22,289 EUR
Retailer 6€23,125 EUR
Retailer 10€24,860 EUR
Retailer 2€27,729 EUR
NZ Jewellers€29,120 EUR

38 data points across 10 retailers

16 retailers€18,831 EUR to €29,120 EUR

A
Cheapest Retailer
-
€18,831 EUR
$21,038 USD
B+
Retailer 2
-
€20,047 EUR
CA$31,107 CAD
View
B+
Retailer 3
-
€20,556 EUR
$22,965 USD
View
B+
Retailer 4
-
€21,583 EUR
$24,113 USD
View
Retailer 5
-
€22,268 EUR
$24,878 USD
View
Price last confirmed 51 days ago
B+
Retailer 6
-
€22,268 EUR
$24,878 USD
View
Retailer 7
-
€22,268 EUR
$24,878 USD
View
Price last confirmed 18 days ago
B+
Retailer 8
-
€22,289 EUR
$24,901 USD
View
B+
Retailer 9
-
€23,125 EUR
$25,835 USD
View
Retailer 10
-
€23,125 EUR
$25,835 USD
View
Price last confirmed 18 days ago
B
Retailer 11
-
€24,860 EUR
$27,774 USD
View
Retailer 12
-
€25,674 EUR
$28,683 USD
View
Price last confirmed 56 days ago
B
Retailer 13
-
€27,729 EUR
£24,393 GBP
View
B
Retailer 14
-
€29,120 EUR
$32,533 USD
View
Retailer 15
-
€29,120 EUR
$32,533 USD
View
Price last confirmed 51 days ago
Most Expensive
NZ Jewellers
816bb631-2924-4e95-a37c-ec5579966bf9 · Oct 14
€29,120 EUR
$32,533 USD
View
Price last confirmed 18 days ago
15 more retailers have this diamond
Prices start from €18,831 EURSave up to €10,289 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
3.11ct Round
€18,831 EUR