Round|Natural|GIA

3.43ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1419669263

Certificate GIA 1419669263

Diamond specifications and retailer prices

From £30,091 GBP
$40,380 USD
As of November 1, 2026
Save £25,258 GBP (46%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £55,349 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 3.43ct natural round diamond

This 3.43ct natural round sits in the three to five carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1419669263. Listed at 20 retailers as of November 1, 2026, with prices from £30,091 to £55,349, a £25,258 spread on the same certified stone. MOH London lists it at £55,349. 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

3.43
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1419669263
Dimensions9.59 × 9.52 × 5.97 mm
L/W Ratio1.01
Culet sizeNone
Top View
9.59 mm9.52 mm3.43 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1419669263
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.7%

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: Nov 1
Current: £55,349 GBP|Low: £30,091 GBP|High: £56,016 GBP|Avg: £38,117 GBP|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 6£30,091 GBP
Retailer 2£32,052 GBP
Retailer 7£32,486 GBP
Retailer 8£33,933 GBP
Retailer 3£35,163 GBP
Retailer 9£36,917 GBP
Retailer 4£41,497 GBP
Retailer 5£45,943 GBP
MOH London£55,349 GBP

36 data points across 9 retailers

20 retailers£30,091 GBP to £55,349 GBP

B+
Cheapest Retailer
-
£30,091 GBP
$40,380 USD
B+
Retailer 2
-
£32,052 GBP
₹4,096,350 INR
View
B
Retailer 3
-
£32,117 GBP
$43,099 USD
View
B
Retailer 4
-
£32,367 GBP
$43,435 USD
View
B
Retailer 5
-
£32,486 GBP
$43,594 USD
View
Final sale: no returns
Retailer 6
-
£33,933 GBP
A$70,055 AUD
View
Price last confirmed 29 days ago
B
Retailer 7
-
£34,335 GBP
$46,075 USD
View
B+
Retailer 8
-
£35,163 GBP
View
B
Retailer 9
-
£35,440 GBP
$47,558 USD
View
B
Retailer 10
-
£36,373 GBP
$48,810 USD
View
B
Retailer 11
-
£36,373 GBP
$48,810 USD
View
B
Retailer 12
-
£36,917 GBP
$49,540 USD
View
B
Retailer 13
-
£36,917 GBP
$49,540 USD
View
B
Retailer 14
-
£37,587 GBP
$50,440 USD
View
B
Retailer 15
-
£37,906 GBP
$50,868 USD
View
B
Retailer 16
-
£38,393 GBP
$51,521 USD
View
B
Retailer 17
-
£39,870 GBP
$53,503 USD
View
B
Retailer 18
-
£41,497 GBP
€53,035 EUR
View
B
Retailer 19
-
£45,943 GBP
ZAR 996,007 ZAR
View
Most Expensive
B
MOH London
CFCBC706C · Nov 1
£55,349 GBP
View
19 more retailers have this diamond
Prices start from £30,091 GBPSave up to £25,258 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+
3.43ct Round
£30,091 GBP