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Heart|Natural|GIA

0.91ct I VS1 Heart Natural Diamond

EX • I/VS1 • GIA 1543748791

Certificate GIA 1543748791

Diamond specifications and retailer prices

From £745 GBP
HK$7,800 HKD
As of November 1, 2026
Save £981 GBP (57%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £2,602 GBP at NZ Jewellers · As of September 25, 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 I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1543748791. Listed at 15 retailers as of November 1, 2026, with a 132% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
VS1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Pavilion angle38.2°
OriginNatural
Grading LabGIA
CertificateGIA 1543748791
Dimensions5.90 × 6.78 × 3.83 mm
L/W Ratio1.15
Girdle conditionFaceted
Top View
5.90 mm6.78 mm0.91 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1543748791
Side View
Table 59.0%CrownGirdle: MED-THKPavilion 38.2°Culet: NoneDepth 56.5%

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 1
Current: £745 GBP|Low: £745 GBP|High: £1,901 GBP|Avg: £1,133 GBP|-10.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 1, 2026
Retailer 1£745 GBP
Retailer 11£787 GBP
Retailer 10£809 GBP
Retailer 3£900 GBP
Retailer 2£905 GBP
Retailer 9£925 GBP
Retailer 13£978 GBP
Retailer 5£993 GBP
Retailer 8£1,076 GBP
Retailer 14£1,336 GBP
Retailer 6£1,338 GBP
Retailer 12£1,429 GBP
Retailer 4£1,566 GBP
Retailer 7£1,726 GBP

27 data points across 14 retailers

15 retailers£745 GBP to £1,726 GBP

A
Cheapest Retailer
-
£745 GBP
HK$7,800 HKD
A
Retailer 2
-
£787 GBP
$1,055 USD
View
Final sale: no returns
A
Retailer 3
-
£809 GBP
$1,084 USD
View
A
Retailer 4
-
£900 GBP
$1,207 USD
View
A
Retailer 5
-
£905 GBP
$1,212 USD
View
A
Retailer 6
-
£925 GBP
€1,181 EUR
View
A
Retailer 7
-
£978 GBP
$1,310 USD
View
A
Retailer 8
-
£993 GBP
$1,331 USD
View
A
Retailer 9
-
£1,076 GBP
View
B+
Retailer 10
-
£1,336 GBP
$1,790 USD
View
Retailer 11
-
£1,338 GBP
A$2,758 AUD
View
Price last confirmed 26 days ago
B+
Retailer 12
-
£1,429 GBP
ZAR 30,930 ZAR
View
Retailer 13
-
£1,566 GBP
$2,098 USD
View
Price last confirmed 8 days ago
B+
Retailer 14
-
£1,726 GBP
View
Most Expensive
NZ Jewellers
87f75ba5-2baf-4c27-ac48-ae5a7142af55 · Sep 25
£2,602 GBP
$3,487 USD
View
Price last confirmed 37 days ago
14 more retailers have this diamond
Prices start from £745 GBPSave up to £981 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
£745 GBP