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Heart|Natural|GIA

0.90ct J SI2 Heart Natural Diamond

J/SI2 • GIA 1548550721

Certificate GIA 1548550721

Diamond specifications and retailer prices

From £487 GBP
$652 USD
As of November 2, 2026
Save £1,167 GBP (71%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £1,654 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.9ct natural heart diamond

This 0.9ct natural heart sits in the just-under-one-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included) and certified by GIA 1548550721. Listed at 4 retailers as of October 30, 2026, with prices from £487 to £1,654, a £1,167 spread on the same certified stone. NZ Jewellers lists it at £1,654. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.90
Carat
J
Colour
SI2
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1548550721
Dimensions5.77 × 6.59 × 3.87 mm
L/W Ratio1.14
Key to symbols
Twinning Wisp, Feather
Top View
5.77 mm6.59 mm0.90 ctJ / SI2
OriginNatural
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1548550721
Side View
Table 65.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 58.7%

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: Nov 2
Current: £1,654 GBP|Low: £419 GBP|High: £1,912 GBP|Avg: £993 GBP|-13.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 27, 2026
Retailer 3£487 GBP
Retailer 2£664 GBP
Retailer 5£939 GBP
Retailer 4£1,220 GBP
NZ Jewellers£1,654 GBP

18 data points across 5 retailers

4 retailers£487 GBP to £1,654 GBP

B+
Cheapest Retailer
-
£487 GBP
$652 USD
Final sale: no returns
B+
Retailer 2
-
£664 GBP
$890 USD
View
B
Retailer 3
-
£1,220 GBP
View
Most Expensive
C
NZ Jewellers
105c2d8b-a854-421c-9742-6fb70926928c · Oct 30
£1,654 GBP
$2,216 USD
View
3 more retailers have this diamond
Prices start from £487 GBPSave up to £1,167 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+
0.90ct Heart
£487 GBP