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Round|Natural|GIA

3.49ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 6551913977

Certificate GIA 6551913977

Diamond specifications and retailer prices

From £18,245 GBP
As of October 30, 2026
Save £3,320 GBP (15%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £21,565 GBP at Blue Nile · As of October 29, 2026
View at Blue Nile

About this 3.49ct natural round diamond

This 3.49ct natural round sits in the three to five carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6551913977. Listed at 3 retailers as of October 29, 2026, with prices from £18,245 to £21,565, a £3,320 spread on the same certified stone. Blue Nile lists it at £21,565. 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

3.49
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6551913977
Dimensions9.65 × 9.70 × 5.99 mm
L/W Ratio1.01
Top View
9.65 mm9.70 mm3.49 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6551913977
Side View
Table 58.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 61.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £21,565 GBP|Low: £18,163 GBP|High: £21,565 GBP|Avg: £19,249 GBP
Blue Nile
Retailer 2
Retailer 3
October 30, 2026
Retailer 2£18,245 GBP
Retailer 3£18,755 GBP
Blue Nile£21,565 GBP

3 data points across 3 retailers

3 retailers£18,245 GBP to £21,565 GBP

A
Cheapest Retailer
-
£18,245 GBP
B+
Retailer 2
-
£18,755 GBP
$25,130 USD
View
Most Expensive
B+
Blue Nile
30048146 · Oct 29
£21,565 GBP
$28,895 USD
View
2 more retailers have this diamond
Prices start from £18,245 GBPSave up to £3,320 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
3.49ct Round
£18,245 GBP