Round|Natural|GIA

3.50ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 2547180782

Certificate GIA 2547180782

Diamond specifications and retailer prices

From £29,673 GBP
SGD 53,728 SGD
As of October 30, 2026
Save £3,822 GBP (11%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £33,495 GBP at Jared · As of October 30, 2026
View at Jared

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 2547180782. Listed at 8 retailers as of October 30, 2026, with a relatively tight 13% 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

3.50
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2547180782
Dimensions9.70 × 9.66 × 6.05 mm
L/W Ratio1.00
Top View
9.70 mm9.66 mm3.50 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2547180782
Side View
Table 56.0%Crown 35°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.5%

Caratlytics Score

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

Price History

Last verified: Oct 30
Current: £33,495 GBP|Low: £26,674 GBP|High: £51,857 GBP|Avg: £34,690 GBP
Jared
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 9£26,674 GBP
Retailer 11£29,673 GBP
Retailer 2£30,171 GBP
Retailer 6£31,220 GBP
Retailer 7£32,413 GBP
Retailer 8£32,413 GBP
Retailer 10£32,735 GBP
Retailer 4£33,279 GBP
Jared£33,495 GBP
Retailer 3£34,429 GBP
Retailer 13£35,325 GBP
Retailer 12£37,917 GBP
Retailer 5£51,857 GBP

25 data points across 13 retailers

8 retailers£29,673 GBP to £33,495 GBP

Retailer 1
-
£26,674 GBP
$35,740 USD
Price last confirmed 25 days ago
B+
Retailer 2
-
£29,673 GBP
SGD 53,728 SGD
View
B+
Retailer 3
-
£30,171 GBP
View
B
Retailer 4
-
£31,220 GBP
$41,831 USD
View
B
Retailer 5
-
£32,413 GBP
$43,430 USD
View
B
Retailer 6
-
£32,413 GBP
$43,430 USD
View
B
Retailer 7
-
£32,735 GBP
$43,861 USD
View
Most Expensive
B
Jared
159442225 · Oct 30
£33,495 GBP
$44,880 USD
View
7 more retailers have this diamond
Prices start from £29,673 GBPSave up to £3,822 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
£29,673 GBP