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Marquise|Natural|GIA

1.20ct J SI1 Marquise Natural Diamond

ID • J/SI1 • GIA 6552516815

Certificate GIA 6552516815

Diamond specifications and retailer prices

From $3,003 CAD
$2,150 USD
As of November 1, 2026
Save $4,836 CAD (62%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $7,839 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 6552516815. Listed at 23 retailers as of October 30, 2026, with prices from $3,003 to $7,839, a $4,836 spread on the same certified stone. NZ Jewellers lists it at $7,839. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6552516815
Dimensions10.47 × 5.51 × 3.50 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Indented Natural, Needle, Extra Facet
Top View
10.47 mm5.51 mm1.20 ctJ / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6552516815
Side View
Table 61.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 63.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $7,839 CAD|Low: $2,981 CAD|High: $7,993 CAD|Avg: $4,021 CAD|-1.9%
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
November 2, 2026
Retailer 14$2,981 CAD
Retailer 13$3,003 CAD
Retailer 9$3,136 CAD
Retailer 3$3,156 CAD
Retailer 18$3,383 CAD
Retailer 6$3,397 CAD
Retailer 8$3,397 CAD
Retailer 12$3,404 CAD
Retailer 20$3,408 CAD
Retailer 10$3,456 CAD
Retailer 5$3,461 CAD
Retailer 7$3,554 CAD
Retailer 15$3,658 CAD
Retailer 19$3,798 CAD
Retailer 11$3,920 CAD
Retailer 2$3,975 CAD
Retailer 17$4,609 CAD
Retailer 21$4,683 CAD
Retailer 4$5,811 CAD
Retailer 16$6,569 CAD
NZ Jewellers$7,839 CAD

21 data points across 21 retailers

23 retailers$3,003 CAD to $7,839 CAD

Retailer 1
-
$2,981 CAD
₹203,216 INR
Price last confirmed 11 days ago
A
Retailer 2
-
$3,003 CAD
$2,150 USD
View
B+
Retailer 3
-
$3,136 CAD
$2,245 USD
View
Final sale: no returns
A
Retailer 4
-
$3,156 CAD
$2,259 USD
View
A
Retailer 5
-
$3,383 CAD
$2,422 USD
View
A
Retailer 6
-
$3,397 CAD
$2,432 USD
View
A
Retailer 7
-
$3,397 CAD
$2,432 USD
View
B+
Retailer 8
-
$3,404 CAD
$2,437 USD
View
B+
Retailer 9
-
$3,408 CAD
$2,440 USD
View
B+
Retailer 10
-
$3,456 CAD
$2,474 USD
View
B+
Retailer 11
-
$3,461 CAD
$2,478 USD
View
B+
Retailer 12
-
$3,554 CAD
$2,544 USD
View
B+
Retailer 13
-
$3,658 CAD
£2,062 GBP
View
B+
Retailer 14
-
$3,798 CAD
$2,719 USD
View
B+
Retailer 15
-
$3,920 CAD
$2,806 USD
View
B+
Retailer 16
-
$3,975 CAD
£2,241 GBP
View
B+
Retailer 17
-
$3,993 CAD
A$4,398 AUD
View
Retailer 18
-
$4,284 CAD
A$4,718 AUD
View
Price last confirmed 25 days ago
B
Retailer 19
-
$4,609 CAD
ZAR 53,305 ZAR
View
B+
Retailer 20
-
$4,683 CAD
€3,193 EUR
View
B
Retailer 21
-
$5,811 CAD
$4,160 USD
View
B
Retailer 22
-
$6,569 CAD
£3,703 GBP
View
Most Expensive
B
NZ Jewellers
e078e873-9f50-4920-a8bd-3bfb5172cd0b · Oct 30
$7,839 CAD
$5,612 USD
View
22 more retailers have this diamond
Prices start from $3,003 CADSave up to $4,836 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.

A
1.20ct Marquise
$3,003 CAD