Marquise|Natural|GIA

1.20ct J SI1 Marquise Natural Diamond

EX • J/SI1 • GIA 6555703280

Certificate GIA 6555703280

Diamond specifications and retailer prices

From $4,394 CAD
₹299,603 INR
As of November 1, 2026
Save $5,788 CAD (57%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $10,182 CAD at NZ Jewellers · As of October 30, 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 J 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 6555703280. Listed at 23 retailers as of October 30, 2026, with prices from $4,394 to $10,182, a $5,788 spread on the same certified stone. NZ Jewellers lists it at $10,182. 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
J
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6555703280
Dimensions10.70 × 5.36 × 3.42 mm
L/W Ratio2.00
Top View
10.70 mm5.36 mm1.20 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6555703280
Side View
Table 58.0%CrownGirdle: STK-XTKPavilionCulet: NoneDepth 63.9%

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: $10,182 CAD|Low: $4,394 CAD|High: $10,182 CAD|Avg: $6,190 CAD
NZ Jewellers
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
November 2, 2026
Retailer 17$4,394 CAD
Retailer 9$4,990 CAD
Retailer 7$5,143 CAD
Retailer 12$5,182 CAD
Retailer 3$5,231 CAD
Retailer 15$5,352 CAD
Retailer 6$5,395 CAD
Retailer 8$5,560 CAD
Retailer 18$5,701 CAD
Retailer 21$5,845 CAD
Retailer 22$5,845 CAD
Retailer 23$5,845 CAD
Retailer 13$5,929 CAD
Retailer 11$6,051 CAD
Retailer 14$6,201 CAD
Retailer 10$6,266 CAD
Retailer 16$6,338 CAD
Retailer 2$6,614 CAD
Retailer 4$6,743 CAD
Retailer 20$7,184 CAD
Retailer 5$8,449 CAD
Retailer 19$9,773 CAD
NZ Jewellers$10,182 CAD

23 data points across 23 retailers

23 retailers$4,394 CAD to $10,182 CAD

B+
Cheapest Retailer
-
$4,394 CAD
₹299,603 INR
B
Retailer 2
-
$4,990 CAD
$3,572 USD
View
B
Retailer 3
-
$5,143 CAD
$3,682 USD
View
B
Retailer 4
-
$5,182 CAD
$3,710 USD
View
B
Retailer 5
-
$5,231 CAD
$3,745 USD
View
B
Retailer 6
-
$5,352 CAD
$3,831 USD
View
B
Retailer 7
-
$5,395 CAD
$3,862 USD
View
Final sale: no returns
B
Retailer 8
-
$5,560 CAD
$3,980 USD
View
B
Retailer 9
-
$5,701 CAD
£3,213 GBP
View
B
Retailer 10
-
$5,845 CAD
$4,184 USD
View
B
Retailer 11
-
$5,845 CAD
$4,184 USD
View
B
Retailer 12
-
$5,845 CAD
$4,184 USD
View
B
Retailer 13
-
$5,929 CAD
£3,342 GBP
View
B
Retailer 14
-
$6,051 CAD
$4,332 USD
View
B
Retailer 15
-
$6,201 CAD
$4,439 USD
View
Retailer 16
-
$6,266 CAD
A$6,901 AUD
View
Price last confirmed 29 days ago
B
Retailer 17
-
$6,338 CAD
$4,537 USD
View
B
Retailer 18
-
$6,614 CAD
€4,509 EUR
View
B
Retailer 19
-
$6,743 CAD
$4,827 USD
View
B
Retailer 20
-
$7,184 CAD
ZAR 83,079 ZAR
View
B
Retailer 21
-
$8,449 CAD
$6,048 USD
View
B
Retailer 22
-
$9,773 CAD
£5,509 GBP
View
Most Expensive
B
NZ Jewellers
ac532a44-bd7d-45e3-ad64-4a41ba6839dc · Oct 30
$10,182 CAD
$7,289 USD
View
22 more retailers have this diamond
Prices start from $4,394 CADSave up to $5,788 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
$4,394 CAD