Heart|Natural|GIA

0.90ct J SI2 Heart Natural Diamond

EX • J/SI2 • GIA 7261051158

Certificate GIA 7261051158

Diamond specifications and retailer prices

From £397 GBP
$532 USD
As of October 31, 2026
Save £700 GBP (64%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,097 GBP at MOH London · As of November 1, 2026
View at MOH London

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), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7261051158. Listed at 10 retailers as of October 31, 2026, with prices from £397 to £1,097, a £700 spread on the same certified stone. MOH London lists it at £1,097. 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
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7261051158
Dimensions5.59 × 5.59 × 3.88 mm
L/W Ratio1.00
Top View
5.59 mm5.59 mm0.90 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7261051158
Side View
Table 63.0%CrownGirdle: ThickPavilionCulet: NoneDepth 69.4%

Caratlytics Score

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

Price History

Last verified: Oct 31
Current: £1,097 GBP|Low: £397 GBP|High: £1,211 GBP|Avg: £632 GBP|-8.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 10£397 GBP
Retailer 3£425 GBP
Retailer 11£430 GBP
Retailer 6£463 GBP
Retailer 5£514 GBP
Retailer 8£543 GBP
Retailer 2£585 GBP
Retailer 9£679 GBP
Retailer 4£698 GBP
Retailer 7£728 GBP
MOH London£1,097 GBP

43 data points across 11 retailers

10 retailers£397 GBP to £1,097 GBP

A
Cheapest Retailer
-
£397 GBP
$532 USD
Final sale: no returns
A
Retailer 2
-
£430 GBP
HK$4,500 HKD
View
A
Retailer 3
-
£463 GBP
$621 USD
View
A
Retailer 4
-
£514 GBP
$689 USD
View
A
Retailer 5
-
£543 GBP
$727 USD
View
A
Retailer 6
-
£585 GBP
View
B+
Retailer 7
-
£679 GBP
$909 USD
View
A
Retailer 8
-
£698 GBP
€891 EUR
View
B+
Retailer 9
-
£728 GBP
$976 USD
View
Most Expensive
B+
MOH London
C8F33E8BB · Nov 1
£1,097 GBP
View
9 more retailers have this diamond
Prices start from £397 GBPSave up to £700 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
£397 GBP