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Round|Natural|GIA

3.20ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 1136362717

Certificate GIA 1136362717

Diamond specifications and retailer prices

From £20,839 GBP
CA$38,780 CAD
As of October 30, 2026
Save £5,004 GBP (19%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £32,661 GBP at MOH London · As of October 1, 2026
View at MOH London

About this 3.2ct natural round diamond

This 3.2ct 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 1136362717. Listed at 4 retailers as of October 29, 2026, with a relatively tight 24% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

3.20
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1136362717
Dimensions9.44 × 9.51 × 5.76 mm
L/W Ratio1.01
Culet sizeNone
Top View
9.44 mm9.51 mm3.20 ctJ / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1136362717
Side View
Table 60.0%Crown 34.5°Girdle: THN-STKPavilion 41°Culet: NoneDepth 60.8%

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: £32,661 GBP|Low: £18,371 GBP|High: £32,661 GBP|Avg: £23,378 GBP|+1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 19, 2026
Retailer 7£18,563 GBP
Retailer 2£20,839 GBP
Retailer 6£21,402 GBP
Retailer 3£23,169 GBP
Retailer 5£24,382 GBP
Retailer 4£25,842 GBP
MOH London£32,661 GBP

15 data points across 7 retailers

4 retailers£20,839 GBP to £25,842 GBP

B+
Cheapest Retailer
-
£20,839 GBP
CA$38,780 CAD
B
Retailer 2
-
£23,169 GBP
$31,044 USD
View
B
Retailer 3
-
£25,842 GBP
$34,626 USD
View
Most Expensive
MOH London
FD2736DC9 · Oct 1
£32,661 GBP
View
Price last confirmed 30 days ago
3 more retailers have this diamond
Prices start from £20,839 GBPSave up to £5,004 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+
3.20ct Round
£20,839 GBP