CaratHunter
Plans
Heart|Natural|GIA

0.91ct H SI1 Heart Natural Diamond

EX • H/SI1 • GIA 6183940304

Certificate GIA 6183940304

Diamond specifications and retailer prices

From $3,516 CAD
€2,397 EUR
As of October 29, 2026
Save $3,220 CAD (48%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $6,736 CAD at MOH London · As of November 1, 2026
View at MOH London

About this 0.91ct natural heart diamond

This 0.91ct natural heart sits in the just-under-one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6183940304. Listed at 6 retailers as of October 29, 2026, with prices from $3,516 to $6,736, a $3,220 spread on the same certified stone. MOH London lists it at $6,736. 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
H
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6183940304
Dimensions5.43 × 5.95 × 3.24 mm
L/W Ratio1.10
Top View
5.43 mm5.95 mm0.91 ctH / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6183940304
Side View
Table 61.0%CrownGirdle: Extremely ThickPavilionCulet: ELGDepth 54.5%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $6,736 CAD|Low: $3,823 CAD|High: $6,816 CAD|Avg: $4,618 CAD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 7$3,823 CAD
Retailer 5$4,041 CAD
Retailer 2$4,109 CAD
Retailer 4$4,307 CAD
Retailer 3$4,491 CAD
Retailer 6$4,862 CAD
MOH London$6,736 CAD

41 data points across 7 retailers

6 retailers$3,516 CAD to $6,736 CAD

B
Cheapest Retailer
-
$3,516 CAD
€2,397 EUR
B
Retailer 2
-
$4,041 CAD
$2,893 USD
View
B
Retailer 3
-
$4,109 CAD
£2,316 GBP
View
Retailer 4
-
$4,307 CAD
A$4,744 AUD
View
Price last confirmed 25 days ago
B
Retailer 5
-
$4,491 CAD
€3,062 EUR
View
Most Expensive
B
MOH London
E023EEE7B · Nov 1
$6,736 CAD
£3,797 GBP
View
5 more retailers have this diamond
Prices start from $3,516 CADSave up to $3,220 CAD

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.

B
0.91ct Heart
$3,516 CAD