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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 $3,313 SGD
As of November 5, 2026
Save $4,309 SGD (57%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $7,622 SGD 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 $3,313 to $7,622, a $4,309 spread on the same certified stone. NZ Jewellers lists it at $7,622. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $7,622 SGD|Low: $3,251 SGD|High: $7,647 SGD|Avg: $4,672 SGD|-0.3%
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
November 6, 2026
Retailer 20$3,313 SGD
Retailer 2$3,549 SGD
Retailer 14$3,659 SGD
Retailer 3$3,672 SGD
Retailer 19$3,774 SGD
Retailer 22$3,963 SGD
Retailer 5$4,115 SGD
Retailer 12$4,160 SGD
Retailer 13$4,359 SGD
Retailer 6$4,383 SGD
Retailer 11$4,383 SGD
Retailer 17$4,500 SGD
Retailer 7$4,537 SGD
Retailer 18$4,573 SGD
Retailer 10$4,742 SGD
Retailer 8$4,828 SGD
Retailer 15$4,973 SGD
Retailer 16$5,092 SGD
Retailer 21$5,192 SGD
Retailer 9$5,298 SGD
Retailer 4$7,324 SGD
NZ Jewellers$7,622 SGD

26 data points across 22 retailers

22 retailers$3,313 SGD to $7,622 SGD

B+
Cheapest Retailer
-
$3,313 SGD
B+
Retailer 2
-
$3,549 SGD
View
B+
Retailer 3
-
$3,659 SGD
View
Final sale: no returns
B+
Retailer 4
-
$3,672 SGD
View
B+
Retailer 5
-
$3,774 SGD
View
B
Retailer 6
-
$3,963 SGD
View
B
Retailer 7
-
$4,115 SGD
View
B
Retailer 8
-
$4,160 SGD
View
B+
Retailer 9
-
$4,359 SGD
View
B+
Retailer 10
-
$4,383 SGD
View
B+
Retailer 11
-
$4,383 SGD
View
B+
Retailer 12
-
$4,500 SGD
View
B
Retailer 13
-
$4,537 SGD
View
B
Retailer 14
-
$4,573 SGD
View
B
Retailer 15
-
$4,742 SGD
View
B
Retailer 16
-
$4,828 SGD
View
Retailer 17
-
$4,973 SGD
View
Price last confirmed 25 days ago
B
Retailer 18
-
$5,092 SGD
View
B
Retailer 19
-
$5,192 SGD
View
Retailer 20
-
$5,298 SGD
View
Price last confirmed 9 days ago
B
Retailer 21
-
$7,324 SGD
View
Most Expensive
B
NZ Jewellers
20c75f28-2956-4641-a9e3-2d0ac41794c5 · Nov 5
$7,622 SGD
$5,947 USD
View
21 more retailers have this diamond
Prices start from $3,313 SGDSave up to $4,309 SGD

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
$3,313 SGD