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Marquise|Natural|GIA

0.80ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 6541502138

Certificate GIA 6541502138

Diamond specifications and retailer prices

From $1,478 CAD
$1,058 USD
As of November 2, 2026
Save $887 CAD (38%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $2,365 CAD at Cape Diamonds · As of October 26, 2026
View at Cape Diamonds

About this 0.8ct natural marquise diamond

This 0.8ct natural marquise sits in the just-under-one-carat band, graded I 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 6541502138. Listed at 9 retailers as of October 26, 2026, with prices from $1,478 to $2,365, a $887 spread on the same certified stone. Cape Diamonds lists it at $2,365. 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

0.80
Carat
I
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle36.52°
Pavilion angle42.11°
OriginNatural
Grading LabGIA
CertificateGIA 6541502138
Dimensions9.16 × 4.84 × 3.10 mm
L/W Ratio1.89
Top View
9.16 mm4.84 mm0.80 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6541502138
Side View
Table 61.0%Crown 36.52°Girdle: MED-VTKPavilion 42.11°Culet: NoneDepth 64.1%

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 2
Current: $2,365 CAD|Low: $1,391 CAD|High: $2,438 CAD|Avg: $1,888 CAD|-1.6%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 6$1,478 CAD
Retailer 4$1,537 CAD
Retailer 7$1,537 CAD
Retailer 2$1,813 CAD
Retailer 3$2,021 CAD
Retailer 5$2,042 CAD
Retailer 8$2,043 CAD
Retailer 9$2,151 CAD
Cape Diamonds$2,365 CAD

30 data points across 9 retailers

9 retailers$1,478 CAD to $2,365 CAD

A
Cheapest Retailer
-
$1,478 CAD
$1,058 USD
Final sale: no returns
A
Retailer 2
-
$1,537 CAD
$1,100 USD
View
A
Retailer 3
-
$1,537 CAD
$1,100 USD
View
A
Retailer 4
-
$1,813 CAD
£1,022 GBP
View
A
Retailer 5
-
$2,021 CAD
£1,139 GBP
View
B+
Retailer 6
-
$2,042 CAD
$1,462 USD
View
B+
Retailer 7
-
$2,043 CAD
$1,463 USD
View
Retailer 8
-
$2,151 CAD
A$2,369 AUD
View
Price last confirmed 28 days ago
Most Expensive
B+
Cape Diamonds
cert_6541502138 · Oct 26
$2,365 CAD
ZAR 27,351 ZAR
View
8 more retailers have this diamond
Prices start from $1,478 CADSave up to $887 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.

A
0.80ct Marquise
$1,478 CAD