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Heart|Natural|GIA

0.90ct I SI2 Heart Natural Diamond

EX • I/SI2 • GIA 7546031633

Certificate GIA 7546031633

Diamond specifications and retailer prices

From £478 GBP
HK$5,000 HKD
As of October 30, 2026
Save £712 GBP (60%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £2,331 GBP at NZ Jewellers · As of September 25, 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 I 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 7546031633. Listed at 11 retailers as of October 29, 2026, with a 149% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Pavilion angle41.9°
OriginNatural
Grading LabGIA
CertificateGIA 7546031633
Dimensions6.05 × 6.65 × 3.98 mm
L/W Ratio1.10
Girdle conditionFaceted
Top View
6.05 mm6.65 mm0.90 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7546031633
Side View
Table 60.0%CrownGirdle: MED-THKPavilion 41.9°Culet: NoneDepth 59.8%

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 30
Current: £572 GBP|Low: £478 GBP|High: £1,377 GBP|Avg: £837 GBP|-13.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 10£478 GBP
Retailer 1£572 GBP
Retailer 7£642 GBP
Retailer 4£660 GBP
Retailer 8£664 GBP
Retailer 9£802 GBP
Retailer 3£912 GBP
Retailer 6£993 GBP
Retailer 2£994 GBP
Retailer 5£1,190 GBP

37 data points across 10 retailers

11 retailers£478 GBP to £1,190 GBP

A
Cheapest Retailer
-
£478 GBP
HK$5,000 HKD
A
Retailer 2
-
£572 GBP
$766 USD
View
Final sale: no returns
A
Retailer 3
-
£642 GBP
$860 USD
View
A
Retailer 4
-
£660 GBP
View
Retailer 5
-
£664 GBP
SGD 1,203 SGD
View
Price last confirmed 8 days ago
A
Retailer 6
-
£802 GBP
SGD 1,452 SGD
View
A
Retailer 7
-
£912 GBP
€1,164 EUR
View
Retailer 8
-
£993 GBP
$1,331 USD
View
Price last confirmed 8 days ago
B+
Retailer 9
-
£994 GBP
A$2,048 AUD
View
B+
Retailer 10
-
£1,190 GBP
View
Most Expensive
NZ Jewellers
7e3868d7-6c4e-48b2-9545-ca64d82ca3d4 · Sep 25
£2,331 GBP
$3,123 USD
View
Price last confirmed 36 days ago
10 more retailers have this diamond
Prices start from £478 GBPSave up to £712 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
£478 GBP