Round|Natural|GIA

3.11ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 1548719298

Certificate GIA 1548719298

Diamond specifications and retailer prices

From £16,274 GBP
$21,805 USD
As of October 30, 2026
Save £12,121 GBP (43%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £28,394 GBP at MOH London · As of October 29, 2026
View at MOH London

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 1548719298. Listed at 13 retailers as of October 29, 2026, with prices from £16,274 to £28,394, a £12,121 spread on the same certified stone. MOH London lists it at £28,394. 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
CertificateGIA 1548719298
Dimensions9.38 × 9.34 × 5.84 mm
L/W Ratio1.00
Key to symbols
Crystal, Feather, Needle
Top View
9.38 mm9.34 mm3.11 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1548719298
Side View
Table 57.0%CrownGirdlePavilionCuletDepth 62.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £28,394 GBP|Low: £16,105 GBP|High: £28,583 GBP|Avg: £19,335 GBP|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 4£16,274 GBP
Retailer 6£16,625 GBP
Retailer 10£17,143 GBP
Retailer 5£17,330 GBP
Retailer 9£18,084 GBP
Retailer 2£18,240 GBP
Retailer 7£19,591 GBP
Retailer 8£20,344 GBP
Retailer 3£21,999 GBP
MOH London£28,394 GBP

38 data points across 10 retailers

13 retailers£16,274 GBP to £28,394 GBP

B+
Cheapest Retailer
-
£16,274 GBP
$21,805 USD
B+
Retailer 2
-
£16,625 GBP
$22,275 USD
View
B+
Retailer 3
-
£17,143 GBP
$22,970 USD
View
B+
Retailer 4
-
£17,330 GBP
$23,220 USD
View
Final sale: no returns
Retailer 5
-
£18,084 GBP
$24,230 USD
View
Price last confirmed 23 days ago
B+
Retailer 6
-
£18,240 GBP
View
Retailer 7
-
£18,988 GBP
$25,442 USD
View
Price last confirmed 32 days ago
B+
Retailer 8
-
£19,328 GBP
$25,898 USD
View
Retailer 9
-
£19,591 GBP
$26,250 USD
View
Price last confirmed 23 days ago
Retailer 10
-
£20,344 GBP
$27,259 USD
View
Price last confirmed 32 days ago
B
Retailer 11
-
£21,999 GBP
€28,073 EUR
View
Retailer 12
-
£25,619 GBP
$34,326 USD
View
Price last confirmed 33 days ago
Most Expensive
B
MOH London
2BA79F916 · Oct 29
£28,394 GBP
View
12 more retailers have this diamond
Prices start from £16,274 GBPSave up to £12,121 GBP

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.

B+
3.11ct Round
£16,274 GBP