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Heart|Natural|GIA

0.90ct K SI2 Heart Natural Diamond

EX • K/SI2 • GIA 1555112785

Certificate GIA 1555112785

Diamond specifications and retailer prices

From £502 GBP
As of November 6, 2026
Save £332 GBP (40%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £834 GBP at GemTrove · As of November 6, 2026
View at GemTrove

About this 0.9ct natural heart diamond

This 0.9ct natural heart sits in the just-under-one-carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1555112785. Listed at 5 retailers as of November 6, 2026, with prices from £502 to £834, a £332 spread on the same certified stone. GemTrove lists it at £834. 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

0.90
Carat
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1555112785
Dimensions5.81 × 6.86 × 3.90 mm
L/W Ratio1.18
Culet sizeNone
Key to symbols
Cloud, Knot, Crystal
Top View
5.81 mm6.86 mm0.90 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1555112785
Side View
Table 55.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 56.9%

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: Nov 6
Current: £834 GBP|Low: £434 GBP|High: £834 GBP|Avg: £609 GBP
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 5, 2026
Retailer 3£502 GBP
Retailer 4£558 GBP
Retailer 5£568 GBP
Retailer 2£584 GBP
GemTrove£834 GBP

40 data points across 5 retailers

5 retailers£502 GBP to £834 GBP

A
Cheapest Retailer
-
£502 GBP
Final sale: no returns
A
Retailer 2
-
£558 GBP
View
Retailer 3
-
£568 GBP
View
Price last confirmed 22 days ago
A
Retailer 4
-
£584 GBP
View
Most Expensive
B+
GemTrove
GT-N-01266608-98 · Nov 6
£834 GBP
A$1,718 AUD
View
4 more retailers have this diamond
Prices start from £502 GBPSave up to £332 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
0.90ct Heart
£502 GBP