Round|Natural|GIA

3.09ct D SI1 Round Natural Diamond

EX • D/SI1 • GIA 1555741834

Certificate GIA 1555741834

Diamond specifications and retailer prices

From £32,857 GBP
$44,223 USD
As of November 6, 2026
5 retailers carry this diamond
Most expensive: £32,857 GBP at The Diamond Guys
View at The Diamond Guys

About this 3.09ct natural round diamond

This 3.09ct 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 1555741834. Listed at 5 retailers as of November 6, 2026. 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

3.09
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1555741834
Dimensions9.26 × 5.80 × 5.80 mm
L/W Ratio1.60
Culet sizeNone
Top View
9.26 mm5.80 mm3.09 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 1555741834
Side View
Table 56.0%Crown 35°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.5%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: £32,165 GBP|Low: £24,452 GBP|High: £39,095 GBP|Avg: £29,878 GBP|-3.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 12, 2026
Retailer 9£24,452 GBP
Retailer 7£26,046 GBP
Retailer 2£26,464 GBP
Retailer 5£27,438 GBP
Retailer 4£27,748 GBP
Retailer 6£31,249 GBP
Retailer 8£31,343 GBP
Retailer 1£32,165 GBP
Retailer 3£37,547 GBP

21 data points across 9 retailers

5 retailers

Retailer 1
-
£24,452 GBP
Price last confirmed 25 days ago
Retailer 2
-
£26,464 GBP
View
Price last confirmed 25 days ago
Retailer 3
-
£27,438 GBP
View
Price last confirmed 27 days ago
Retailer 4
-
£32,165 GBP
View
Price last confirmed 25 days ago
Most Expensive
B+
The Diamond Guys
1966472624 · Nov 6
£32,857 GBP
$44,223 USD
View
4 more retailers have this diamond

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+
3.09ct Round
£32,857 GBP