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Round|Natural|GIA

3.50ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 1533939627

Certificate GIA 1533939627

Diamond specifications and retailer prices

From £45,946 GBP
$61,185 USD
As of October 29, 2026
Save £34,169 GBP (43%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £80,115 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 1533939627. Listed at 16 retailers as of October 29, 2026, with prices from £45,946 to £80,115, a £34,169 spread on the same certified stone. MOH London lists it at £80,115. 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
Crown angle32.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1533939627
Dimensions9.97 × 9.90 × 5.87 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
9.97 mm9.90 mm3.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1533939627
Side View
Table 58.0%Crown 32.5°Girdle: THN-STKPavilion 40.8°Culet: NoneDepth 59.0%

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: £80,115 GBP|Low: £45,946 GBP|High: £80,648 GBP|Avg: £56,437 GBP|+0.4%
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
October 30, 2026
Retailer 6£45,946 GBP
Retailer 4£46,240 GBP
Retailer 5£47,844 GBP
Retailer 3£48,893 GBP
Retailer 7£50,727 GBP
Retailer 8£51,024 GBP
Retailer 9£53,150 GBP
Retailer 13£53,150 GBP
Retailer 10£55,276 GBP
Retailer 14£57,403 GBP
Retailer 11£61,813 GBP
Retailer 12£65,795 GBP
Retailer 2£69,443 GBP
MOH London£80,115 GBP

32 data points across 14 retailers

16 retailers£45,946 GBP to £80,115 GBP

B+
Cheapest Retailer
-
£45,946 GBP
$61,185 USD
B+
Retailer 2
-
£46,240 GBP
$61,577 USD
View
Retailer 3
-
£47,844 GBP
A$98,020 AUD
View
Price last confirmed 31 days ago
B+
Retailer 4
-
£48,893 GBP
$65,110 USD
View
Retailer 5
-
£48,893 GBP
$65,110 USD
View
Price last confirmed 16 days ago
B+
Retailer 6
-
£50,727 GBP
View
B+
Retailer 7
-
£51,024 GBP
$67,948 USD
View
B+
Retailer 8
-
£53,150 GBP
$70,779 USD
View
B+
Retailer 9
-
£53,150 GBP
$70,779 USD
View
B
Retailer 10
-
£54,587 GBP
$72,692 USD
View
B
Retailer 11
-
£55,276 GBP
$73,610 USD
View
B
Retailer 12
-
£57,403 GBP
$76,442 USD
View
B
Retailer 13
-
£61,813 GBP
€78,395 EUR
View
B
Retailer 14
-
£65,795 GBP
ZAR 1,415,475 ZAR
View
B
Retailer 15
-
£69,443 GBP
View
Most Expensive
B
MOH London
E2E5A3ECF · Oct 29
£80,115 GBP
View
15 more retailers have this diamond
Prices start from £45,946 GBPSave up to £34,169 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
£45,946 GBP