Round|Natural|GIA

3.18ct E I1 Round Natural Diamond

GD • E/I1 • GIA 2233951204

Certificate GIA 2233951204

Diamond specifications and retailer prices

From £16,419 GBP
$22,000 USD
As of October 29, 2026
Save £7,913 GBP (33%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £24,333 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 3.18ct natural round diamond

This 3.18ct natural round sits in the three to five carat band, graded E colour (colourless) and I1 clarity (included), with a standard cut grade and certified by GIA 2233951204. Listed at 9 retailers as of October 29, 2026, with prices from £16,419 to £24,333, a £7,913 spread on the same certified stone. NZ Jewellers lists it at £24,333. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.18
Carat
E
Colour
I1
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryGood
FluorescenceMedium
Crown angle32.5°
Pavilion angle40.4°
OriginNatural
Grading LabGIA
CertificateGIA 2233951204
Dimensions9.67 × 9.71 × 5.67 mm
L/W Ratio1.00
Top View
9.67 mm9.71 mm3.18 ctE / I1
OriginNatural
CutGood
PolishVery Good
SymmetryGood
FluorescenceMedium
CertificateGIA 2233951204
Side View
Table 57.0%Crown 32.5°Girdle: THN-MEDPavilion 40.4°Culet: NoneDepth 58.5%

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 29
Current: £24,333 GBP|Low: £16,419 GBP|High: £24,333 GBP|Avg: £19,662 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 3£16,419 GBP
Retailer 4£18,142 GBP
Retailer 6£18,584 GBP
Retailer 7£18,584 GBP
Retailer 8£19,203 GBP
Retailer 9£20,235 GBP
Retailer 2£20,372 GBP
Retailer 5£20,877 GBP
NZ Jewellers£24,333 GBP

19 data points across 9 retailers

9 retailers£16,419 GBP to £24,333 GBP

B+
Cheapest Retailer
-
£16,419 GBP
$22,000 USD
B+
Retailer 2
-
£18,142 GBP
$24,308 USD
View
B+
Retailer 3
-
£18,584 GBP
$24,900 USD
View
B+
Retailer 4
-
£18,584 GBP
$24,900 USD
View
B+
Retailer 5
-
£19,203 GBP
$25,730 USD
View
B+
Retailer 6
-
£20,235 GBP
$27,113 USD
View
B+
Retailer 7
-
£20,372 GBP
€25,997 EUR
View
B+
Retailer 8
-
£20,877 GBP
$27,973 USD
View
Most Expensive
B
NZ Jewellers
7aa37c72-7737-4ffd-808a-c141ef529659 · Oct 30
£24,333 GBP
$32,603 USD
View
8 more retailers have this diamond
Prices start from £16,419 GBPSave up to £7,913 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+
3.18ct Round
£16,419 GBP