Round|Natural|GIA

3.50ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2567495440

Certificate GIA 2567495440

Diamond specifications and retailer prices

From £27,227 GBP
SGD 49,298 SGD
As of November 1, 2026
Save £11,427 GBP (30%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £43,933 GBP at MOH London · As of October 21, 2026
View at MOH London

About this 3.5ct natural round diamond

This 3.5ct 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 2567495440. Listed at 17 retailers as of November 1, 2026, with a 42% 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

3.50
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle33°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2567495440
Dimensions9.74 × 9.79 × 5.99 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Needle, Feather
Top View
9.74 mm9.79 mm3.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2567495440
Side View
Table 60.0%Crown 33°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 61.3%

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: £43,933 GBP|Low: £23,969 GBP|High: £43,933 GBP|Avg: £31,632 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 1, 2026
Retailer 4£23,969 GBP
Retailer 19£25,005 GBP
Retailer 11£26,748 GBP
Retailer 15£27,227 GBP
Retailer 7£27,323 GBP
Retailer 13£27,422 GBP
Retailer 12£27,634 GBP
Retailer 10£28,311 GBP
Retailer 3£29,146 GBP
Retailer 5£29,946 GBP
Retailer 14£29,997 GBP
Retailer 16£33,459 GBP
Retailer 9£33,778 GBP
Retailer 17£33,958 GBP
Retailer 6£34,392 GBP
Retailer 20£34,746 GBP
Retailer 8£35,763 GBP
Retailer 2£38,654 GBP
Retailer 18£39,673 GBP
MOH London£43,933 GBP

9 data points across 20 retailers

17 retailers£27,227 GBP to £38,654 GBP

Retailer 1
-
£23,969 GBP
HK$250,900 HKD
Price last confirmed 10 days ago
Retailer 2
-
£25,005 GBP
₹3,190,914 INR
View
Price last confirmed 11 days ago
Retailer 3
-
£26,748 GBP
$35,840 USD
View
Price last confirmed 11 days ago
B+
Retailer 4
-
£27,227 GBP
SGD 49,298 SGD
View
Retailer 5
-
£27,323 GBP
$36,610 USD
View
Price last confirmed 14 days ago
B+
Retailer 6
-
£27,422 GBP
View
B+
Retailer 7
-
£28,311 GBP
$37,934 USD
View
Final sale: no returns
Retailer 8
-
£29,146 GBP
$39,053 USD
View
Price last confirmed 12 days ago
Retailer 9
-
£29,946 GBP
$40,125 USD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
£29,997 GBP
$40,193 USD
View
Retailer 11
-
£33,459 GBP
$44,831 USD
View
Price last confirmed 10 days ago
Retailer 12
-
£33,958 GBP
View
Price last confirmed 10 days ago
Retailer 13
-
£34,392 GBP
$46,082 USD
View
Price last confirmed 13 days ago
Retailer 14
-
£34,746 GBP
$46,556 USD
View
Price last confirmed 11 days ago
Retailer 15
-
£35,763 GBP
ZAR 774,121 ZAR
View
Price last confirmed 15 days ago
B
Retailer 16
-
£38,654 GBP
$51,792 USD
View
Most Expensive
MOH London
9BA7EF122 · Oct 21
£43,933 GBP
View
Price last confirmed 11 days ago
16 more retailers have this diamond
Prices start from £27,227 GBPSave up to £11,427 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+
3.50ct Round
£27,227 GBP