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Heart|Natural|GIA

0.91ct F SI2 Heart Natural Diamond

EX • F/SI2 • GIA 1543590480

Certificate GIA 1543590480

Diamond specifications and retailer prices

From £810 GBP
₹103,475 INR
As of November 2, 2026
Save £1,810 GBP (69%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £2,620 GBP at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.91ct natural heart diamond

This 0.91ct natural heart sits in the just-under-one-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1543590480. Listed at 10 retailers as of October 30, 2026, with prices from £810 to £2,620, a £1,810 spread on the same certified stone. NZ Jewellers lists it at £2,620. 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

0.91
Carat
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1543590480
Dimensions6.09 × 6.86 × 3.71 mm
L/W Ratio1.13
Girdle conditionFaceted
Key to symbols
Twinning Wisp, Feather
Top View
6.09 mm6.86 mm0.91 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1543590480
Side View
Table 59.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 54.1%

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: Nov 2
Current: £2,620 GBP|Low: £757 GBP|High: £2,620 GBP|Avg: £1,339 GBP|+1.3%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 3£810 GBP
Retailer 9£854 GBP
Retailer 8£996 GBP
Retailer 6£1,107 GBP
Retailer 7£1,175 GBP
Retailer 4£1,198 GBP
Retailer 5£1,496 GBP
Retailer 2£1,882 GBP
NZ Jewellers£2,620 GBP

40 data points across 9 retailers

10 retailers£810 GBP to £2,620 GBP

A
Cheapest Retailer
-
£810 GBP
₹103,475 INR
A
Retailer 2
-
£854 GBP
$1,146 USD
View
Final sale: no returns
B+
Retailer 3
-
£996 GBP
$1,336 USD
View
B+
Retailer 4
-
£1,107 GBP
$1,486 USD
View
B+
Retailer 5
-
£1,175 GBP
$1,577 USD
View
B+
Retailer 6
-
£1,198 GBP
View
Retailer 7
-
£1,295 GBP
View
Price last confirmed 37 days ago
B+
Retailer 8
-
£1,496 GBP
€1,912 EUR
View
B
Retailer 9
-
£1,882 GBP
View
Most Expensive
B
NZ Jewellers
17006a72-847a-4b48-aaec-ee3d7796931b · Oct 30
£2,620 GBP
$3,516 USD
View
9 more retailers have this diamond
Prices start from £810 GBPSave up to £1,810 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
0.91ct Heart
£810 GBP