Round|Natural|GIA

3.11ct J SI2 Round Natural Diamond

EX • J/SI2

Diamond specifications and retailer prices

From $26,895 SGD
$21,038 USD
As of October 30, 2026
Save $14,695 SGD (35%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $41,590 SGD 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
Colour
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 30
Current: $41,590 SGD|Low: $26,542 SGD|High: $41,590 SGD|Avg: $32,977 SGD
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$26,895 SGD
Retailer 8$28,632 SGD
Retailer 5$29,358 SGD
Retailer 7$30,826 SGD
Retailer 3$31,804 SGD
Retailer 9$31,833 SGD
Retailer 6$33,027 SGD
Retailer 10$35,506 SGD
Retailer 2$39,722 SGD
NZ Jewellers$41,590 SGD

38 data points across 10 retailers

16 retailers$26,895 SGD to $41,590 SGD

A
Cheapest Retailer
-
$26,895 SGD
$21,038 USD
B+
Retailer 2
-
$28,632 SGD
CA$31,107 CAD
View
B+
Retailer 3
-
$29,358 SGD
$22,965 USD
View
B+
Retailer 4
-
$30,826 SGD
$24,113 USD
View
Retailer 5
-
$31,804 SGD
$24,878 USD
View
Price last confirmed 49 days ago
B+
Retailer 6
-
$31,804 SGD
$24,878 USD
View
Retailer 7
-
$31,804 SGD
$24,878 USD
View
Price last confirmed 17 days ago
B+
Retailer 8
-
$31,833 SGD
$24,901 USD
View
B+
Retailer 9
-
$33,027 SGD
$25,835 USD
View
Retailer 10
-
$33,027 SGD
$25,835 USD
View
Price last confirmed 17 days ago
B
Retailer 11
-
$35,506 SGD
$27,774 USD
View
Retailer 12
-
$36,668 SGD
$28,683 USD
View
Price last confirmed 54 days ago
B
Retailer 13
-
$39,722 SGD
£24,466 GBP
View
B
Retailer 14
-
$41,590 SGD
$32,533 USD
View
Retailer 15
-
$41,590 SGD
$32,533 USD
View
Price last confirmed 50 days ago
Most Expensive
NZ Jewellers
816bb631-2924-4e95-a37c-ec5579966bf9 · Oct 14
$41,590 SGD
$32,533 USD
View
Price last confirmed 17 days ago
15 more retailers have this diamond
Prices start from $26,895 SGDSave up to $14,695 SGD

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
$26,895 SGD