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Marquise|Natural|GIA

1.20ct K SI2 Marquise Natural Diamond

EX • K/SI2 • GIA 7543956328

Certificate GIA 7543956328

Diamond specifications and retailer prices

From $2,812 AUD
As of November 6, 2026
Save $5,040 AUD (64%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $7,852 AUD 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7543956328. Listed at 13 retailers as of November 5, 2026, with prices from $2,812 to $7,852, a $5,040 spread on the same certified stone. NZ Jewellers lists it at $7,852. 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
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 7543956328
Dimensions10.86 × 5.45 × 3.41 mm
L/W Ratio1.99
Culet sizeNone
Key to symbols
Feather, Twinning Wisp, Crystal, Knot, Cavity, Needle, Indented Natural
Top View
10.86 mm5.45 mm1.20 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 7543956328
Side View
Table 61.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 62.6%

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 6
Current: $7,852 AUD|Low: $2,812 AUD|High: $7,852 AUD|Avg: $4,129 AUD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 8$2,812 AUD
Retailer 6$3,074 AUD
Retailer 9$3,403 AUD
Retailer 11$3,560 AUD
Retailer 10$3,713 AUD
Retailer 4$3,753 AUD
Retailer 2$3,838 AUD
Retailer 12$3,925 AUD
Retailer 5$3,973 AUD
Retailer 3$4,759 AUD
Retailer 7$6,561 AUD
NZ Jewellers$7,852 AUD

39 data points across 12 retailers

13 retailers$2,812 AUD to $7,852 AUD

A
Cheapest Retailer
-
$2,812 AUD
A
Retailer 2
-
$3,074 AUD
View
B+
Retailer 3
-
$3,403 AUD
View
Retailer 4
-
$3,455 AUD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$3,560 AUD
View
B+
Retailer 6
-
$3,713 AUD
View
B+
Retailer 7
-
$3,753 AUD
View
B+
Retailer 8
-
$3,838 AUD
View
B+
Retailer 9
-
$3,925 AUD
View
B+
Retailer 10
-
$3,973 AUD
View
B
Retailer 11
-
$4,759 AUD
View
B
Retailer 12
-
$6,561 AUD
View
Most Expensive
C
NZ Jewellers
62a58923-c94c-4236-9bac-4555c6863de1 · Nov 5
$7,852 AUD
$5,395 USD
View
12 more retailers have this diamond
Prices start from $2,812 AUDSave up to $5,040 AUD

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
$2,812 AUD