CaratHunter
Plans
Heart|Natural|GIA

0.91ct J SI2 Heart Natural Diamond

EX • J/SI2 • GIA 1539009184

Certificate GIA 1539009184

Diamond specifications and retailer prices

From £482 GBP
MYR 2,633 MYR
As of October 30, 2026
Save £419 GBP (46%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £901 GBP at GemTrove · As of October 29, 2026
View at GemTrove

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 1539009184. Listed at 6 retailers as of October 29, 2026, with prices from £482 to £901, a £419 spread on the same certified stone. GemTrove lists it at £901. 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
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1539009184
Dimensions5.69 × 6.80 × 3.85 mm
L/W Ratio1.20
Culet sizeNone
Key to symbols
Twinning Wisp
Top View
5.69 mm6.80 mm0.91 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1539009184
Side View
Table 61.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 56.6%

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: £901 GBP|Low: £447 GBP|High: £901 GBP|Avg: £612 GBP
GemTrove
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 5£482 GBP
Retailer 3£484 GBP
Retailer 4£541 GBP
Retailer 6£586 GBP
Retailer 2£596 GBP
GemTrove£901 GBP

41 data points across 6 retailers

6 retailers£482 GBP to £901 GBP

A
Cheapest Retailer
-
£482 GBP
MYR 2,633 MYR
A
Retailer 2
-
£484 GBP
$648 USD
View
Final sale: no returns
A
Retailer 3
-
£541 GBP
SGD 979 SGD
View
Retailer 4
-
£586 GBP
$785 USD
View
Price last confirmed 25 days ago
A
Retailer 5
-
£596 GBP
View
Most Expensive
B+
GemTrove
GT-N-01266660-98 · Oct 29
£901 GBP
A$1,858 AUD
View
5 more retailers have this diamond
Prices start from £482 GBPSave up to £419 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
£482 GBP