Round|Natural|GIA

3.11ct J SI2 Round Natural Diamond

EX • J/SI2

Diamond specifications and retailer prices

From $21,038 USD
As of October 29, 2026
Save $11,495 USD (35%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $32,533 USD 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 29, 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $32,533 USD|Low: $20,762 USD|High: $32,533 USD|Avg: $25,808 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 4$21,038 USD
Retailer 8$22,397 USD
Retailer 5$22,965 USD
Retailer 7$24,113 USD
Retailer 3$24,878 USD
Retailer 9$24,901 USD
Retailer 6$25,835 USD
Retailer 10$27,774 USD
Retailer 2$31,072 USD
NZ Jewellers$32,533 USD

39 data points across 10 retailers

16 retailers$21,038 USD to $32,533 USD

A
Cheapest Retailer
-
$21,038 USD
B+
Retailer 2
-
$22,397 USD
CA$31,107 CAD
View
B+
Retailer 3
-
$22,965 USD
View
B+
Retailer 4
-
$24,113 USD
View
Retailer 5
-
$24,878 USD
View
Price last confirmed 49 days ago
B+
Retailer 6
-
$24,878 USD
View
Retailer 7
-
$24,878 USD
View
Price last confirmed 16 days ago
B+
Retailer 8
-
$24,901 USD
View
B+
Retailer 9
-
$25,835 USD
View
Retailer 10
-
$25,835 USD
View
Price last confirmed 16 days ago
B
Retailer 11
-
$27,774 USD
View
Retailer 12
-
$28,683 USD
View
Price last confirmed 54 days ago
B
Retailer 13
-
$31,072 USD
£24,466 GBP
View
B
Retailer 14
-
$32,533 USD
View
Retailer 15
-
$32,533 USD
View
Price last confirmed 49 days ago
Most Expensive
NZ Jewellers
816bb631-2924-4e95-a37c-ec5579966bf9 · Oct 14
$32,533 USD
View
Price last confirmed 16 days ago
15 more retailers have this diamond
Prices start from $21,038 USDSave up to $11,495 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
3.11ct Round
$21,038 USD