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Marquise|Natural|GIA

1.20ct F SI1 Marquise Natural Diamond

EX • F/SI1 • GIA 5563274178

Certificate GIA 5563274178

Diamond specifications and retailer prices

From $6,510 NZD
As of November 6, 2026
Save $8,617 NZD (57%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $15,128 NZD 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5563274178. Listed at 21 retailers as of November 5, 2026, with prices from $6,510 to $15,128, a $8,617 spread on the same certified stone. NZ Jewellers lists it at $15,128. 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
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5563274178
Dimensions10.11 × 5.49 × 3.53 mm
L/W Ratio1.84
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Cavity, Needle, Indented Natural, Natural
Top View
10.11 mm5.49 mm1.20 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5563274178
Side View
Table 59.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 64.4%

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: $15,128 NZD|Low: $6,442 NZD|High: $15,349 NZD|Avg: $9,523 NZD|-1.4%
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
November 7, 2026
Retailer 17$6,510 NZD
Retailer 14$6,714 NZD
Retailer 11$6,768 NZD
Retailer 7$7,692 NZD
Retailer 6$7,739 NZD
Retailer 12$8,424 NZD
Retailer 2$8,549 NZD
Retailer 3$8,684 NZD
Retailer 4$8,684 NZD
Retailer 9$8,684 NZD
Retailer 5$8,955 NZD
Retailer 8$9,184 NZD
Retailer 16$9,824 NZD
Retailer 10$10,019 NZD
Retailer 13$10,594 NZD
Retailer 18$13,378 NZD
Retailer 15$13,793 NZD
NZ Jewellers$15,128 NZD

27 data points across 18 retailers

21 retailers$6,510 NZD to $15,128 NZD

A
Cheapest Retailer
-
$6,510 NZD
A
Retailer 2
-
$6,714 NZD
View
A
Retailer 3
-
$6,768 NZD
View
B+
Retailer 4
-
$7,692 NZD
View
B+
Retailer 5
-
$7,739 NZD
View
B+
Retailer 6
-
$8,029 NZD
View
B+
Retailer 7
-
$8,036 NZD
View
B+
Retailer 8
-
$8,424 NZD
View
B+
Retailer 9
-
$8,549 NZD
View
B
Retailer 10
-
$8,684 NZD
View
Retailer 11
-
$8,684 NZD
View
Price last confirmed 9 days ago
B+
Retailer 12
-
$8,684 NZD
View
Retailer 13
-
$8,881 NZD
View
Price last confirmed 29 days ago
B+
Retailer 14
-
$8,955 NZD
View
B+
Retailer 15
-
$9,184 NZD
View
B+
Retailer 16
-
$9,824 NZD
View
B+
Retailer 17
-
$10,019 NZD
View
B
Retailer 18
-
$10,594 NZD
View
Retailer 19
-
$13,378 NZD
View
Price last confirmed 10 days ago
B
Retailer 20
-
$13,793 NZD
View
Most Expensive
B
NZ Jewellers
d2dedced-70e1-44c1-b269-040c0abc1bf8 · Nov 5
$15,128 NZD
$8,386 USD
View
20 more retailers have this diamond
Prices start from $6,510 NZDSave up to $8,617 NZD

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
$6,510 NZD