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Heart|Natural|GIA

0.91ct I I1 Heart Natural Diamond

ID • I/I1 • GIA 3425353810

Certificate GIA 3425353810

Diamond specifications and retailer prices

From £896 GBP
$1,202 USD
As of November 1, 2026
Save £411 GBP (31%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,307 GBP at Yorxs · As of November 2, 2026
View at Yorxs

About this 0.91ct natural heart diamond

This 0.91ct natural heart sits in the just-under-one-carat band, graded I colour (near-colourless) and I1 clarity (included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 3425353810. Listed at 6 retailers as of November 1, 2026, with prices from £896 to £1,307, a £411 spread on the same certified stone. Yorxs lists it at £1,307. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.91
Carat
I
Colour
I1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3425353810
Dimensions6.31 × 6.64 × 3.75 mm
L/W Ratio1.05
Top View
6.31 mm6.64 mm0.91 ctI / I1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 3425353810
Side View
Table 60.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 56.4%

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 1
Current: £935 GBP|Low: £756 GBP|High: £1,335 GBP|Avg: £1,031 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Yorxs
November 2, 2026
Retailer 5£756 GBP
Retailer 4£896 GBP
Retailer 1£935 GBP
Retailer 2£958 GBP
Yorxs£1,307 GBP
Retailer 3£1,335 GBP

17 data points across 6 retailers

6 retailers£896 GBP to £1,307 GBP

B+
Cheapest Retailer
-
£896 GBP
$1,202 USD
B+
Retailer 2
-
£935 GBP
$1,255 USD
View
B+
Retailer 3
-
£935 GBP
$1,255 USD
View
B
Retailer 4
-
£1,079 GBP
$1,448 USD
View
Most Expensive
B
Yorxs
3AE587EB3 · Nov 2
£1,307 GBP
€1,670 EUR
View
4 more retailers have this diamond
Prices start from £896 GBPSave up to £411 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+
0.91ct Heart
£896 GBP