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Round|Natural|GIA

3.40ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6552100734

Certificate GIA 6552100734

Diamond specifications and retailer prices

From £26,872 GBP
$36,005 USD
As of October 30, 2026
Save £5,993 GBP (18%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £32,864 GBP at 77 Diamonds · As of October 30, 2026
View at 77 Diamonds

About this 3.4ct natural round diamond

This 3.4ct natural round sits in the three to five carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6552100734. Listed at 3 retailers as of October 30, 2026, with prices from £26,872 to £32,864, a £5,993 spread on the same certified stone. 77 Diamonds lists it at £32,864. 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

3.40
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6552100734
Dimensions9.54 × 9.58 × 5.97 mm
L/W Ratio1.00
Top View
9.54 mm9.58 mm3.40 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552100734
Side View
Table 58.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.4%

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 30
Current: £32,864 GBP|Low: £24,865 GBP|High: £37,856 GBP|Avg: £30,119 GBP|+1.5%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 10£24,865 GBP
Retailer 6£25,910 GBP
Retailer 4£26,872 GBP
Retailer 5£27,797 GBP
Retailer 2£28,992 GBP
Retailer 3£29,801 GBP
Retailer 11£30,563 GBP
77 Diamonds£32,864 GBP
Retailer 7£32,945 GBP
Retailer 9£32,953 GBP
Retailer 8£37,856 GBP

35 data points across 11 retailers

3 retailers£26,872 GBP to £32,864 GBP

B+
Cheapest Retailer
-
£26,872 GBP
$36,005 USD
B+
Retailer 2
-
£27,797 GBP
$37,245 USD
View
Most Expensive
B
77 Diamonds
RBZFKK5DZJB · Oct 30
£32,864 GBP
View
2 more retailers have this diamond
Prices start from £26,872 GBPSave up to £5,993 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+
3.40ct Round
£26,872 GBP