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Round|Natural|GIA

3.50ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 5566048450

Certificate GIA 5566048450

Diamond specifications and retailer prices

From £33,943 GBP
$45,479 USD
As of October 31, 2026
Save £23,325 GBP (41%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £57,267 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 5566048450. Listed at 14 retailers as of October 29, 2026, with prices from £33,943 to £57,267, a £23,325 spread on the same certified stone. MOH London lists it at £57,267. 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
FluorescenceMedium
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5566048450
Dimensions9.54 × 9.60 × 6.10 mm
L/W Ratio1.01
Key to symbols
Crystal, Twinning Wisp, Feather, Indented Natural, Cloud, Needle
Top View
9.54 mm9.60 mm3.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 5566048450
Side View
Table 56.0%Crown 36.5°Girdle: ThinPavilion 41°Culet: NoneDepth 63.8%

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 31
Current: £57,267 GBP|Low: £30,853 GBP|High: £57,649 GBP|Avg: £37,992 GBP|+7.1%
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
October 31, 2026
Retailer 8£30,853 GBP
Retailer 3£30,996 GBP
Retailer 9£32,552 GBP
Retailer 7£32,753 GBP
Retailer 16£33,145 GBP
Retailer 4£33,943 GBP
Retailer 14£34,156 GBP
Retailer 12£35,653 GBP
Retailer 2£36,494 GBP
Retailer 17£36,687 GBP
Retailer 15£37,993 GBP
Retailer 6£38,098 GBP
Retailer 5£41,251 GBP
Retailer 11£42,118 GBP
Retailer 13£46,618 GBP
Retailer 10£49,639 GBP
MOH London£57,267 GBP

38 data points across 17 retailers

14 retailers£33,943 GBP to £57,267 GBP

Retailer 1
-
£30,996 GBP
$41,531 USD
Price last confirmed 21 days ago
Retailer 2
-
£32,753 GBP
A$67,515 AUD
View
Price last confirmed 27 days ago
A
Retailer 3
-
£33,943 GBP
$45,479 USD
View
A
Retailer 4
-
£34,156 GBP
CA$63,563 CAD
View
A
Retailer 5
-
£35,653 GBP
$47,771 USD
View
B+
Retailer 6
-
£36,494 GBP
View
Retailer 7
-
£36,687 GBP
$49,157 USD
View
Price last confirmed 21 days ago
B+
Retailer 8
-
£37,993 GBP
$50,907 USD
View
Retailer 9
-
£38,098 GBP
$51,047 USD
View
Price last confirmed 22 days ago
B+
Retailer 10
-
£41,251 GBP
$55,272 USD
View
B+
Retailer 11
-
£42,118 GBP
€53,746 EUR
View
Retailer 12
-
£46,618 GBP
ZAR 1,009,089 ZAR
View
Price last confirmed 13 days ago
B
Retailer 13
-
£49,639 GBP
View
Most Expensive
B
MOH London
0E68D16D1 · Oct 29
£57,267 GBP
View
13 more retailers have this diamond
Prices start from £33,943 GBPSave up to £23,325 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
£33,943 GBP