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Round|Natural|GIA

3.45ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 1568518584

Certificate GIA 1568518584

Diamond specifications and retailer prices

From £43,149 GBP
As of November 1, 2026
Save £27,644 GBP (39%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £70,793 GBP at MOH London · As of November 4, 2026
View at MOH London

About this 3.45ct natural round diamond

This 3.45ct 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 1568518584. Listed at 17 retailers as of November 1, 2026, with prices from £43,149 to £70,793, a £27,644 spread on the same certified stone. MOH London lists it at £70,793. 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

3.45
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 1568518584
Dimensions9.55 × 9.61 × 6.06 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
9.55 mm9.61 mm3.45 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1568518584
Side View
Table 57.0%Crown 36.5°Girdle: Med. - Sli. ThickPavilion 41.2°Culet: NoneDepth 63.3%

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: Nov 1
Current: £70,793 GBP|Low: £43,001 GBP|High: £117,319 GBP|Avg: £52,442 GBP|-39.7%
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
November 6, 2026
Retailer 8£43,001 GBP
Retailer 14£43,149 GBP
Retailer 6£44,585 GBP
Retailer 11£45,051 GBP
Retailer 13£45,465 GBP
Retailer 4£45,988 GBP
Retailer 7£47,344 GBP
Retailer 17£48,525 GBP
Retailer 16£50,169 GBP
Retailer 15£52,259 GBP
Retailer 5£54,350 GBP
Retailer 12£54,719 GBP
Retailer 3£55,897 GBP
Retailer 9£56,440 GBP
Retailer 10£58,513 GBP
Retailer 2£61,338 GBP
MOH London£70,793 GBP

29 data points across 17 retailers

17 retailers£43,149 GBP to £70,793 GBP

Retailer 1
-
£43,001 GBP
Price last confirmed 27 days ago
B+
Retailer 2
-
£43,149 GBP
View
B+
Retailer 3
-
£44,585 GBP
View
B+
Retailer 4
-
£45,051 GBP
View
B+
Retailer 5
-
£45,465 GBP
View
B+
Retailer 6
-
£45,988 GBP
View
Final sale: no returns
B+
Retailer 7
-
£47,344 GBP
View
B+
Retailer 8
-
£48,525 GBP
View
Retailer 9
-
£50,169 GBP
View
Price last confirmed 8 days ago
B
Retailer 10
-
£52,259 GBP
View
B
Retailer 11
-
£54,350 GBP
View
B
Retailer 12
-
£54,719 GBP
View
B
Retailer 13
-
£55,897 GBP
View
B
Retailer 14
-
£56,440 GBP
View
B
Retailer 15
-
£58,513 GBP
View
B
Retailer 16
-
£61,338 GBP
View
Most Expensive
B
MOH London
8752FD0B5 · Nov 4
£70,793 GBP
View
16 more retailers have this diamond
Prices start from £43,149 GBPSave up to £27,644 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+
3.45ct Round
£43,149 GBP