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Marquise|Natural|GIA

0.80ct G SI1 Marquise Natural Diamond

EX • G/SI1 • GIA 6425985290

Certificate GIA 6425985290

Diamond specifications and retailer prices

From $2,640 CAD
$1,890 USD
As of October 25, 2026
Save $2,409 CAD (48%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $5,049 CAD at MOH London · As of October 26, 2026
View at MOH London

About this 0.8ct natural marquise diamond

This 0.8ct natural marquise sits in the just-under-one-carat band, graded G 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 6425985290. Listed at 5 retailers as of October 25, 2026, with prices from $2,640 to $5,049, a $2,409 spread on the same certified stone. MOH London lists it at $5,049. 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
G
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6425985290
Dimensions9.56 × 4.80 × 3.03 mm
L/W Ratio1.99
Top View
9.56 mm4.80 mm0.80 ctG / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6425985290
Side View
Table 56.0%CrownGirdle: Med. - Very ThickPavilionCulet: NoneDepth 63.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 25
Current: $5,049 CAD|Low: $2,640 CAD|High: $5,068 CAD|Avg: $3,478 CAD|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 31, 2026
Retailer 4$2,640 CAD
Retailer 5$2,741 CAD
Retailer 2$3,157 CAD
Retailer 3$3,932 CAD
MOH London$5,049 CAD

16 data points across 5 retailers

5 retailers$2,640 CAD to $5,049 CAD

B+
Cheapest Retailer
-
$2,640 CAD
$1,890 USD
B+
Retailer 2
-
$2,741 CAD
$1,962 USD
View
B+
Retailer 3
-
$3,157 CAD
£1,780 GBP
View
B
Retailer 4
-
$3,932 CAD
€2,681 EUR
View
Most Expensive
B
MOH London
D4466BE69 · Oct 26
$5,049 CAD
£2,846 GBP
View
4 more retailers have this diamond
Prices start from $2,640 CADSave up to $2,409 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+
0.80ct Marquise
$2,640 CAD