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Round|Natural|GIA

3.50ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 6352135749

Certificate GIA 6352135749

Diamond specifications and retailer prices

From £34,213 GBP
$45,842 USD
As of October 30, 2026
Save £20,882 GBP (38%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £55,095 GBP at Diamond Quarter · As of October 29, 2026
View at Diamond Quarter

About this 3.5ct natural round diamond

This 3.5ct natural round sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6352135749. Listed at 15 retailers as of October 29, 2026, with prices from £34,213 to £55,095, a £20,882 spread on the same certified stone. Diamond Quarter lists it at £55,095. 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
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceStrong
Crown angle35.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6352135749
Dimensions9.68 × 9.63 × 6.04 mm
L/W Ratio1.01
Star length50%
Top View
9.68 mm9.63 mm3.50 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceStrong
CertificateGIA 6352135749
Side View
Table 58.0%Crown 35.5°Girdle: THN-STKPavilion 41°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £34,216 GBP|Low: £32,349 GBP|High: £54,060 GBP|Avg: £39,500 GBP|-0.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 7£32,753 GBP
Retailer 9£34,213 GBP
Retailer 1£34,216 GBP
Retailer 6£34,606 GBP
Retailer 2£35,628 GBP
Retailer 8£36,563 GBP
Retailer 3£41,607 GBP
Retailer 5£44,103 GBP
Retailer 10£46,971 GBP
Retailer 4£53,702 GBP

44 data points across 10 retailers

15 retailers£34,213 GBP to £55,095 GBP

Retailer 1
-
£32,753 GBP
A$67,515 AUD
Price last confirmed 26 days ago
A
Retailer 2
-
£34,213 GBP
$45,842 USD
View
A
Retailer 3
-
£34,216 GBP
View
A
Retailer 4
-
£34,606 GBP
$46,368 USD
View
Final sale: no returns
A
Retailer 5
-
£35,628 GBP
$47,737 USD
View
B+
Retailer 6
-
£36,563 GBP
$48,990 USD
View
B+
Retailer 7
-
£37,753 GBP
$50,585 USD
View
B+
Retailer 8
-
£39,326 GBP
$52,692 USD
View
B+
Retailer 9
-
£40,899 GBP
$54,800 USD
View
B+
Retailer 10
-
£41,607 GBP
€53,094 EUR
View
B+
Retailer 11
-
£42,472 GBP
$56,908 USD
View
B+
Retailer 12
-
£44,103 GBP
ZAR 954,656 ZAR
View
Retailer 13
-
£46,971 GBP
View
Price last confirmed 30 days ago
B
Retailer 14
-
£53,702 GBP
View
Most Expensive
B
Diamond Quarter
3.5SI1D63490BB6N · Oct 29
£55,095 GBP
View
14 more retailers have this diamond
Prices start from £34,213 GBPSave up to £20,882 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.

A
3.50ct Round
£34,213 GBP