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Heart|Natural|GIA

0.89ct J SI2 Heart Natural Diamond

EX • J/SI2 • GIA 2165655828

Certificate GIA 2165655828

Diamond specifications and retailer prices

From £1,041 GBP
As of November 4, 2026
Save £509 GBP (33%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £1,550 GBP at 77 Diamonds · As of November 5, 2026
View at 77 Diamonds

About this 0.89ct natural heart diamond

This 0.89ct natural heart sits in the just-under-one-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2165655828. Listed at 2 retailers as of November 4, 2026, with prices from £1,041 to £1,550, a £509 spread on the same certified stone. 77 Diamonds lists it at £1,550. 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

0.89
Carat
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2165655828
Dimensions6.09 × 6.51 × 3.62 mm
L/W Ratio1.07
Girdle conditionFaceted
Top View
6.09 mm6.51 mm0.89 ctJ / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 2165655828
Side View
Table 62.0%CrownGirdle: MED-VTKPavilionCuletDepth 55.6%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 4
Current: £1,550 GBP|Low: £914 GBP|High: £1,567 GBP|Avg: £1,170 GBP|+1.3%
77 Diamonds
Retailer 2
Retailer 3
November 5, 2026
Retailer 3£914 GBP
Retailer 2£1,041 GBP
77 Diamonds£1,550 GBP

33 data points across 3 retailers

2 retailers£1,041 GBP to £1,550 GBP

B
Cheapest Retailer
-
£1,041 GBP
Most Expensive
B
77 Diamonds
HSZAKP7QWUP · Nov 5
£1,550 GBP
View
1 more retailer has this diamond
Prices start from £1,041 GBPSave up to £509 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
0.89ct Heart
£1,041 GBP