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Heart|Natural|GIA

0.91ct J SI2 Heart Natural Diamond

EX • J/SI2 • GIA 6422785889

Certificate GIA 6422785889

Diamond specifications and retailer prices

From £448 GBP
₹57,180 INR
As of October 31, 2026
Save £1,577 GBP (78%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £2,026 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 J 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 6422785889. Listed at 12 retailers as of October 30, 2026, with prices from £448 to £2,026, a £1,577 spread on the same certified stone. NZ Jewellers lists it at £2,026. 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
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 6422785889
Dimensions6.02 × 6.80 × 3.72 mm
L/W Ratio1.13
Top View
6.02 mm6.80 mm0.91 ctJ / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceStrong
CertificateGIA 6422785889
Side View
Table 59.0%CrownGirdle: MED-ETKPavilionCulet: NoneDepth 54.8%

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 31
Current: £2,026 GBP|Low: £447 GBP|High: £2,026 GBP|Avg: £785 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
November 1, 2026
Retailer 6£448 GBP
Retailer 11£596 GBP
Retailer 3£646 GBP
Retailer 8£646 GBP
Retailer 10£671 GBP
Retailer 4£692 GBP
Retailer 7£697 GBP
Retailer 9£745 GBP
Retailer 12£745 GBP
Retailer 5£754 GBP
Retailer 2£1,183 GBP
NZ Jewellers£2,026 GBP

46 data points across 12 retailers

12 retailers£448 GBP to £2,026 GBP

A
Cheapest Retailer
-
£448 GBP
₹57,180 INR
B+
Retailer 2
-
£596 GBP
$798 USD
View
Final sale: no returns
B+
Retailer 3
-
£646 GBP
$865 USD
View
B+
Retailer 4
-
£646 GBP
$865 USD
View
B+
Retailer 5
-
£671 GBP
$899 USD
View
B+
Retailer 6
-
£692 GBP
$927 USD
View
B+
Retailer 7
-
£697 GBP
HK$7,300 HKD
View
B+
Retailer 8
-
£745 GBP
$998 USD
View
B+
Retailer 9
-
£745 GBP
$998 USD
View
B+
Retailer 10
-
£754 GBP
View
B
Retailer 11
-
£1,183 GBP
View
Most Expensive
C
NZ Jewellers
2c7408f0-9f52-4fcb-9dbf-fc06c94a9e56 · Oct 30
£2,026 GBP
$2,714 USD
View
11 more retailers have this diamond
Prices start from £448 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
£448 GBP