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Marquise|Natural|GIA

1.20ct H SI1 Marquise Natural Diamond

EX • H/SI1 • GIA 7553942310

Certificate GIA 7553942310

Diamond specifications and retailer prices

From $5,743 CAD
As of November 6, 2026
Save $6,418 CAD (53%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $13,178 CAD at NZ Jewellers · As of September 29, 2026
View at NZ Jewellers

About this 1.2ct natural marquise diamond

This 1.2ct natural marquise sits in the classic 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 7553942310. Listed at 22 retailers as of November 4, 2026, with a 112% 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

1.20
Carat
H
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 7553942310
Dimensions12.52 × 5.27 × 3.09 mm
L/W Ratio2.38
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Feather, Needle, Indented Natural
Top View
12.52 mm5.27 mm1.20 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 7553942310
Side View
Table 57.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 58.7%

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: $5,951 CAD|Low: $5,743 CAD|High: $12,323 CAD|Avg: $8,357 CAD|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 10$5,743 CAD
Retailer 1$5,951 CAD
Retailer 3$6,572 CAD
Retailer 7$6,949 CAD
Retailer 5$7,397 CAD
Retailer 4$7,427 CAD
Retailer 2$7,656 CAD
Retailer 9$8,629 CAD
Retailer 6$9,341 CAD
Retailer 11$11,156 CAD
Retailer 8$12,161 CAD

25 data points across 11 retailers

22 retailers$5,743 CAD to $12,161 CAD

B+
Cheapest Retailer
-
$5,743 CAD
B+
Retailer 2
-
$5,951 CAD
View
B
Retailer 3
-
$6,572 CAD
View
B
Retailer 4
-
$6,949 CAD
View
B
Retailer 5
-
$7,065 CAD
View
Final sale: no returns
B
Retailer 6
-
$7,186 CAD
View
B
Retailer 7
-
$7,188 CAD
View
Retailer 8
-
$7,299 CAD
View
Price last confirmed 11 days ago
B
Retailer 9
-
$7,397 CAD
View
B
Retailer 10
-
$7,427 CAD
View
Retailer 11
-
$7,656 CAD
View
Price last confirmed 9 days ago
Retailer 12
-
$7,656 CAD
View
Price last confirmed 22 days ago
Retailer 13
-
$7,718 CAD
View
Price last confirmed 29 days ago
B
Retailer 14
-
$7,871 CAD
View
Retailer 15
-
$7,880 CAD
View
Price last confirmed 37 days ago
Retailer 16
-
$7,880 CAD
View
Price last confirmed 37 days ago
B
Retailer 17
-
$8,629 CAD
View
Retailer 18
-
$9,092 CAD
View
Price last confirmed 39 days ago
B
Retailer 19
-
$9,341 CAD
View
Retailer 20
-
$11,156 CAD
View
Price last confirmed 10 days ago
B
Retailer 21
-
$12,161 CAD
View
Most Expensive
NZ Jewellers
2cfd165e-4653-47d8-a433-57989b77a399 · Sep 29
$13,178 CAD
$9,369 USD
View
Price last confirmed 38 days ago
21 more retailers have this diamond
Prices start from $5,743 CADSave up to $6,418 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+
1.20ct Marquise
$5,743 CAD