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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 $3,609 USD
As of November 6, 2026
Save $4,777 USD (57%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $8,386 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 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 $3,609 to $8,386, a $4,777 spread on the same certified stone. NZ Jewellers lists it at $8,386. 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
Color
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: $8,386 USD|Low: $3,571 USD|High: $8,509 USD|Avg: $5,270 USD|-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 6, 2026
Retailer 17$3,609 USD
Retailer 14$3,722 USD
Retailer 2$3,752 USD
Retailer 7$4,264 USD
Retailer 6$4,290 USD
Retailer 11$4,670 USD
Retailer 12$4,711 USD
Retailer 3$4,814 USD
Retailer 4$4,814 USD
Retailer 9$4,814 USD
Retailer 5$4,964 USD
Retailer 8$5,091 USD
Retailer 16$5,446 USD
Retailer 10$5,554 USD
Retailer 13$5,873 USD
Retailer 18$7,416 USD
Retailer 15$7,646 USD
NZ Jewellers$8,386 USD

26 data points across 18 retailers

21 retailers$3,609 USD to $8,386 USD

A
Cheapest Retailer
-
$3,609 USD
A
Retailer 2
-
$3,722 USD
View
A
Retailer 3
-
$3,752 USD
View
B+
Retailer 4
-
$4,264 USD
View
B+
Retailer 5
-
$4,290 USD
View
B+
Retailer 6
-
$4,451 USD
View
B+
Retailer 7
-
$4,455 USD
View
B+
Retailer 8
-
$4,670 USD
View
B+
Retailer 9
-
$4,711 USD
View
B
Retailer 10
-
$4,814 USD
View
Retailer 11
-
$4,814 USD
View
Price last confirmed 9 days ago
B+
Retailer 12
-
$4,814 USD
View
Retailer 13
-
$4,923 USD
View
Price last confirmed 29 days ago
B+
Retailer 14
-
$4,964 USD
View
B+
Retailer 15
-
$5,091 USD
View
B+
Retailer 16
-
$5,446 USD
View
B+
Retailer 17
-
$5,554 USD
View
B
Retailer 18
-
$5,873 USD
View
Retailer 19
-
$7,416 USD
View
Price last confirmed 10 days ago
B
Retailer 20
-
$7,646 USD
View
Most Expensive
B
NZ Jewellers
d2dedced-70e1-44c1-b269-040c0abc1bf8 · Nov 5
$8,386 USD
View
20 more retailers have this diamond
Prices start from $3,609 USDSave up to $4,777 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.

A
1.20ct Marquise
$3,609 USD