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Marquise|Natural|GIA

1.30ct D SI1 Marquise Natural Diamond

EX • D/SI1

Diamond specifications and retailer prices

From $10,347 CAD
As of November 6, 2026
Save $12,989 CAD (56%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $23,335 CAD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.3ct natural marquise diamond

This 1.3ct natural marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA. Listed at 11 retailers as of November 5, 2026, with prices from $10,347 to $23,335, a $12,989 spread on the same certified stone. NZ Jewellers lists it at $23,335. 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

1.30
Carat
D
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
Dimensions10.86 × 5.78 × 3.59 mm
L/W Ratio1.88
Top View
10.86 mm5.78 mm1.30 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA
Side View
Table 66.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 62.1%

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: Nov 6
Current: $23,335 CAD|Low: $10,230 CAD|High: $23,335 CAD|Avg: $13,824 CAD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 10$10,347 CAD
Retailer 3$11,582 CAD
Retailer 7$11,668 CAD
Retailer 4$12,640 CAD
Retailer 5$12,716 CAD
Retailer 9$12,835 CAD
Retailer 2$13,536 CAD
Retailer 6$14,128 CAD
Retailer 8$14,585 CAD
NZ Jewellers$23,335 CAD

24 data points across 10 retailers

11 retailers$10,347 CAD to $23,335 CAD

B+
Cheapest Retailer
-
$10,347 CAD
B+
Retailer 2
-
$11,582 CAD
View
Retailer 3
-
$11,668 CAD
View
Price last confirmed 8 days ago
B
Retailer 4
-
$12,640 CAD
View
Retailer 5
-
$12,640 CAD
View
Price last confirmed 17 days ago
B+
Retailer 6
-
$12,716 CAD
View
B+
Retailer 7
-
$12,835 CAD
View
B+
Retailer 8
-
$13,536 CAD
View
B
Retailer 9
-
$14,128 CAD
View
B
Retailer 10
-
$14,585 CAD
View
Most Expensive
B
NZ Jewellers
81ccaa88-9aa9-4f74-bbe3-acf8d5105e5d · Nov 5
$23,335 CAD
$16,590 USD
View
10 more retailers have this diamond
Prices start from $10,347 CADSave up to $12,989 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+
1.30ct Marquise
$10,347 CAD