Marquise|Natural|GIA

1.00ct G SI1 Marquise Natural Diamond

EX • G/SI1 • GIA 1549818428

Certificate GIA 1549818428

Diamond specifications and retailer prices

From $4,763 CAD
$3,410 USD
As of November 1, 2026
Save $5,232 CAD (52%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $10,412 CAD at NZ Jewellers · As of September 29, 2026
View at NZ Jewellers

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic 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 1549818428. Listed at 17 retailers as of November 1, 2026, with a 110% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.00
Carat
G
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1549818428
Dimensions10.01 × 5.23 × 3.24 mm
L/W Ratio1.91
Key to symbols
Feather, Cloud, Crystal, Indented Natural, Natural
Top View
10.01 mm5.23 mm1.00 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1549818428
Side View
Table 58.0%CrownGirdle: THK-XTKPavilionCulet: NoneDepth 61.9%

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: Nov 1
Current: $5,830 CAD|Low: $4,763 CAD|High: $10,116 CAD|Avg: $6,360 CAD|-0.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 2, 2026
Retailer 13$4,763 CAD
Retailer 12$5,086 CAD
Retailer 11$5,176 CAD
Retailer 5$5,414 CAD
Retailer 1$5,830 CAD
Retailer 8$6,114 CAD
Retailer 3$6,118 CAD
Retailer 4$6,118 CAD
Retailer 2$6,314 CAD
Retailer 14$6,414 CAD
Retailer 7$6,762 CAD
Retailer 6$6,762 CAD
Retailer 10$7,347 CAD
Retailer 9$9,995 CAD

20 data points across 14 retailers

17 retailers$4,763 CAD to $9,995 CAD

B+
Cheapest Retailer
-
$4,763 CAD
$3,410 USD
B+
Retailer 2
-
$5,086 CAD
$3,641 USD
View
B+
Retailer 3
-
$5,176 CAD
$3,705 USD
View
Retailer 4
-
$5,414 CAD
$3,876 USD
View
Price last confirmed 31 days ago
Retailer 5
-
$5,623 CAD
$4,025 USD
View
Price last confirmed 32 days ago
B+
Retailer 6
-
$5,830 CAD
£3,286 GBP
View
B+
Retailer 7
-
$6,114 CAD
£3,447 GBP
View
B
Retailer 8
-
$6,118 CAD
$4,380 USD
View
B
Retailer 9
-
$6,118 CAD
$4,380 USD
View
Retailer 10
-
$6,248 CAD
$4,473 USD
View
Price last confirmed 33 days ago
B
Retailer 11
-
$6,314 CAD
$4,520 USD
View
Retailer 12
-
$6,414 CAD
A$7,065 AUD
View
Price last confirmed 30 days ago
B
Retailer 13
-
$6,762 CAD
€4,610 EUR
View
Retailer 14
-
$6,762 CAD
$4,841 USD
View
Price last confirmed 10 days ago
B
Retailer 15
-
$7,347 CAD
ZAR 84,964 ZAR
View
B
Retailer 16
-
$9,995 CAD
£5,634 GBP
View
Most Expensive
NZ Jewellers
814ae926-9ab3-4cd7-8ec7-86528d4e2e8f · Sep 29
$10,412 CAD
$7,454 USD
View
Price last confirmed 33 days ago
16 more retailers have this diamond
Prices start from $4,763 CADSave up to $5,232 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+
1.00ct Marquise
$4,763 CAD