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0.86ct G SI1 Round Natural Diamond

EX • G/SI1 • GIA 5436334389

Certificate GIA 5436334389

Diamond specifications and retailer prices

From £3,090 GBP
$4,140 USD
As of October 30, 2026
Save £104 GBP (3%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £3,194 GBP at Jared · As of October 30, 2026
View at Jared

About this 0.86ct natural round diamond

This 0.86ct natural round sits in the just-under-one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5436334389. Listed at 3 retailers as of October 30, 2026, with a relatively tight 3% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

0.86
Carat
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 5436334389
Dimensions6.04 × 6.06 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Top View
6.04 mm6.06 mm0.86 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5436334389
Side View
Table 57.0%Crown 36.5°Girdle: MediumPavilion 41°Culet: NoneDepth 62.7%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 30
Current: £3,194 GBP|Low: £1,978 GBP|High: £3,194 GBP|Avg: £2,748 GBP|+56.2%
Jared
Retailer 2
Retailer 3
October 26, 2026
Retailer 2£3,090 GBP
Retailer 3£3,090 GBP
Jared£3,194 GBP

2 data points across 3 retailers

3 retailers£3,090 GBP to £3,194 GBP

B
Cheapest Retailer
-
£3,090 GBP
$4,140 USD
B
Retailer 2
-
£3,090 GBP
$4,140 USD
View
Most Expensive
B
Jared
148982496 · Oct 30
£3,194 GBP
$4,280 USD
View
2 more retailers have this diamond
Prices start from £3,090 GBPSave up to £104 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
0.86ct Round
£3,090 GBP