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Marquise|Natural|GIA

1.20ct J SI2 Marquise Natural Diamond

EX • J/SI2 • GIA 7542999402

Certificate GIA 7542999402

Diamond specifications and retailer prices

From $2,585 USD
As of November 5, 2026
Save $3,362 USD (57%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $5,947 USD at NZ Jewellers · As of November 5, 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7542999402. Listed at 22 retailers as of November 5, 2026, with prices from $2,585 to $5,947, a $3,362 spread on the same certified stone. NZ Jewellers lists it at $5,947. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.1°
Pavilion angle36°
OriginNatural
Grading LabGIA
CertificateGIA 7542999402
Dimensions9.97 × 5.39 × 3.57 mm
L/W Ratio1.85
Girdle conditionFaceted
Top View
9.97 mm5.39 mm1.20 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7542999402
Side View
Table 62.0%Crown 41.1°Girdle: MED-VTKPavilion 36°Culet: NoneDepth 66.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $5,947 USD|Low: $2,537 USD|High: $5,967 USD|Avg: $3,646 USD|-0.3%
NZ Jewellers
Retailer 2
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Retailer 22
November 6, 2026
Retailer 20$2,585 USD
Retailer 2$2,769 USD
Retailer 14$2,855 USD
Retailer 3$2,865 USD
Retailer 19$2,945 USD
Retailer 22$3,092 USD
Retailer 5$3,211 USD
Retailer 12$3,246 USD
Retailer 13$3,401 USD
Retailer 6$3,420 USD
Retailer 11$3,420 USD
Retailer 17$3,511 USD
Retailer 7$3,540 USD
Retailer 18$3,568 USD
Retailer 10$3,700 USD
Retailer 8$3,767 USD
Retailer 15$3,880 USD
Retailer 16$3,973 USD
Retailer 21$4,051 USD
Retailer 9$4,134 USD
Retailer 4$5,715 USD
NZ Jewellers$5,947 USD

26 data points across 22 retailers

22 retailers$2,585 USD to $5,947 USD

B+
Cheapest Retailer
-
$2,585 USD
B+
Retailer 2
-
$2,769 USD
View
B+
Retailer 3
-
$2,855 USD
View
Final sale: no returns
B+
Retailer 4
-
$2,865 USD
View
B+
Retailer 5
-
$2,945 USD
View
B
Retailer 6
-
$3,092 USD
View
B
Retailer 7
-
$3,211 USD
View
B
Retailer 8
-
$3,246 USD
View
B+
Retailer 9
-
$3,401 USD
View
B+
Retailer 10
-
$3,420 USD
View
B+
Retailer 11
-
$3,420 USD
View
B+
Retailer 12
-
$3,511 USD
View
B
Retailer 13
-
$3,540 USD
View
B
Retailer 14
-
$3,568 USD
View
B
Retailer 15
-
$3,700 USD
View
B
Retailer 16
-
$3,767 USD
View
Retailer 17
-
$3,880 USD
View
Price last confirmed 24 days ago
B
Retailer 18
-
$3,973 USD
View
B
Retailer 19
-
$4,051 USD
View
Retailer 20
-
$4,134 USD
View
Price last confirmed 8 days ago
B
Retailer 21
-
$5,715 USD
View
Most Expensive
B
NZ Jewellers
20c75f28-2956-4641-a9e3-2d0ac41794c5 · Nov 5
$5,947 USD
View
21 more retailers have this diamond
Prices start from $2,585 USDSave up to $3,362 USD

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
$2,585 USD