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Round|Natural|GIA

3.50ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 6243066195

Certificate GIA 6243066195

Diamond specifications and retailer prices

From £42,048 GBP
€53,328 EUR
As of October 29, 2026
Save £28,851 GBP (41%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £70,900 GBP at MOH London · As of October 29, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6243066195. Listed at 17 retailers as of October 29, 2026, with prices from £42,048 to £70,900, a £28,851 spread on the same certified stone. MOH London lists it at £70,900. 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
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6243066195
Dimensions9.64 × 9.56 × 6.02 mm
L/W Ratio1.01
Key to symbols
Crystal, Feather, Needle, Natural
Top View
9.64 mm9.56 mm3.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6243066195
Side View
Table 57.0%CrownGirdle: 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: Oct 29
Current: £70,900 GBP|Low: £37,035 GBP|High: £70,900 GBP|Avg: £48,666 GBP|+2.2%
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
October 30, 2026
Retailer 6£37,035 GBP
Retailer 7£40,838 GBP
Retailer 10£42,048 GBP
Retailer 4£42,391 GBP
Retailer 8£43,983 GBP
Retailer 3£45,962 GBP
Retailer 15£46,728 GBP
Retailer 11£47,037 GBP
Retailer 12£47,037 GBP
Retailer 13£48,608 GBP
Retailer 16£48,608 GBP
Retailer 14£48,918 GBP
Retailer 5£50,222 GBP
Retailer 9£55,451 GBP
Retailer 2£61,455 GBP
MOH London£70,900 GBP

23 data points across 16 retailers

17 retailers£42,048 GBP to £70,900 GBP

Retailer 1
-
£37,035 GBP
HK$385,300 HKD
Price last confirmed 15 days ago
Retailer 2
-
£40,838 GBP
SGD 73,491 SGD
View
Price last confirmed 20 days ago
B+
Retailer 3
-
£42,048 GBP
€53,328 EUR
View
B+
Retailer 4
-
£42,391 GBP
$56,451 USD
View
Retailer 5
-
£43,983 GBP
$58,571 USD
View
Price last confirmed 10 days ago
B+
Retailer 6
-
£44,762 GBP
A$91,706 AUD
View
B+
Retailer 7
-
£45,962 GBP
$61,207 USD
View
Final sale: no returns
B+
Retailer 8
-
£46,728 GBP
$62,227 USD
View
B+
Retailer 9
-
£47,037 GBP
$62,638 USD
View
B
Retailer 10
-
£47,037 GBP
$62,638 USD
View
B+
Retailer 11
-
£48,608 GBP
$64,730 USD
View
B+
Retailer 12
-
£48,608 GBP
$64,730 USD
View
B+
Retailer 13
-
£48,918 GBP
$65,143 USD
View
B+
Retailer 14
-
£50,222 GBP
$66,880 USD
View
B
Retailer 15
-
£55,451 GBP
€70,327 EUR
View
B
Retailer 16
-
£61,455 GBP
View
Most Expensive
B
MOH London
804B6F9B5 · Oct 29
£70,900 GBP
View
16 more retailers have this diamond
Prices start from £42,048 GBPSave up to £28,851 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
£42,048 GBP