Heart|Natural|GIA

0.91ct I VS1 Heart Natural Diamond

ID • I/VS1 • GIA 6551607577

Certificate GIA 6551607577

Diamond specifications and retailer prices

From £697 GBP
HK$7,300 HKD
As of October 30, 2026
Save £1,577 GBP (69%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £2,275 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 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 6551607577. Listed at 16 retailers as of October 30, 2026, with prices from £697 to £2,275, a £1,577 spread on the same certified stone. NZ Jewellers lists it at £2,275. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6551607577
Dimensions5.72 × 6.71 × 3.93 mm
L/W Ratio1.17
Girdle conditionFaceted
Culet sizeNone
Top View
5.72 mm6.71 mm0.91 ctI / VS1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6551607577
Side View
Table 60.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 58.6%

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: £2,275 GBP|Low: £697 GBP|High: £2,275 GBP|Avg: £1,068 GBP
NZ Jewellers
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
Retailer 15
Retailer 16
October 31, 2026
Retailer 3£697 GBP
Retailer 12£702 GBP
Retailer 15£825 GBP
Retailer 6£859 GBP
Retailer 8£861 GBP
Retailer 13£899 GBP
Retailer 14£919 GBP
Retailer 5£932 GBP
Retailer 16£968 GBP
Retailer 2£1,063 GBP
Retailer 9£1,066 GBP
Retailer 4£1,076 GBP
Retailer 7£1,339 GBP
Retailer 10£1,427 GBP
Retailer 11£1,717 GBP
NZ Jewellers£2,275 GBP

24 data points across 16 retailers

16 retailers£697 GBP to £2,275 GBP

A
Cheapest Retailer
-
£697 GBP
HK$7,300 HKD
A
Retailer 2
-
£702 GBP
₹89,589 INR
View
Retailer 3
-
£825 GBP
€1,053 EUR
View
Price last confirmed 5 days ago
A
Retailer 4
-
£859 GBP
SGD 1,556 SGD
View
A
Retailer 5
-
£861 GBP
$1,153 USD
View
Final sale: no returns
A
Retailer 6
-
£899 GBP
$1,205 USD
View
A
Retailer 7
-
£919 GBP
$1,231 USD
View
A
Retailer 8
-
£932 GBP
$1,249 USD
View
A
Retailer 9
-
£968 GBP
$1,297 USD
View
A
Retailer 10
-
£1,063 GBP
$1,424 USD
View
A
Retailer 11
-
£1,066 GBP
View
A
Retailer 12
-
£1,076 GBP
$1,442 USD
View
B+
Retailer 13
-
£1,339 GBP
$1,794 USD
View
B+
Retailer 14
-
£1,427 GBP
View
B+
Retailer 15
-
£1,717 GBP
View
Most Expensive
B
NZ Jewellers
755068f3-41e7-4ac5-8434-0ef741427e68 · Oct 30
£2,275 GBP
$3,048 USD
View
15 more retailers have this diamond
Prices start from £697 GBPSave up to £1,577 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
£697 GBP