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Marquise|Natural|GIA

1.20ct F SI1 Marquise Natural Diamond

ID • F/SI1 • GIA 6561121500

Certificate GIA 6561121500

Diamond specifications and retailer prices

From $4,816 USD
As of November 1, 2026
Save $6,150 USD (56%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $10,966 USD at NZ Jewellers · As of November 3, 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 6561121500. Listed at 22 retailers as of November 1, 2026, with prices from $4,816 to $10,966, a $6,150 spread on the same certified stone. NZ Jewellers lists it at $10,966. 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
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6561121500
Dimensions10.24 × 5.47 × 3.44 mm
L/W Ratio1.87
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather
Top View
10.24 mm5.47 mm1.20 ctF / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6561121500
Side View
Table 60.0%CrownGirdle: STK-ETKPavilionCulet: NoneDepth 63.0%

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 1
Current: $10,966 USD|Low: $4,815 USD|High: $11,209 USD|Avg: $6,687 USD|-2.2%
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
November 3, 2026
Retailer 18$4,816 USD
Retailer 12$5,031 USD
Retailer 20$5,322 USD
Retailer 10$5,483 USD
Retailer 4$5,540 USD
Retailer 6$5,860 USD
Retailer 19$5,921 USD
Retailer 7$5,940 USD
Retailer 8$5,940 USD
Retailer 16$5,940 USD
Retailer 2$6,289 USD
Retailer 13$6,395 USD
Retailer 14$6,531 USD
Retailer 9$6,714 USD
Retailer 5$6,854 USD
Retailer 11$7,388 USD
Retailer 3$7,420 USD
Retailer 17$8,056 USD
Retailer 15$9,660 USD
NZ Jewellers$10,966 USD

22 data points across 20 retailers

22 retailers$4,816 USD to $10,966 USD

B+
Cheapest Retailer
-
$4,816 USD
Retailer 2
-
$5,031 USD
₹479,097 INR
View
Price last confirmed 12 days ago
B+
Retailer 3
-
$5,322 USD
View
B+
Retailer 4
-
$5,483 USD
View
Final sale: no returns
B+
Retailer 5
-
$5,540 USD
View
B
Retailer 6
-
$5,860 USD
View
B
Retailer 7
-
$5,921 USD
View
B
Retailer 8
-
$5,940 USD
View
B
Retailer 9
-
$5,940 USD
View
B
Retailer 10
-
$5,940 USD
View
B
Retailer 11
-
$6,011 USD
A$9,248 AUD
View
B
Retailer 12
-
$6,289 USD
£4,952 GBP
View
B
Retailer 13
-
$6,395 USD
£5,036 GBP
View
B
Retailer 14
-
$6,531 USD
€6,220 EUR
View
Retailer 15
-
$6,541 USD
A$10,063 AUD
View
Price last confirmed 21 days ago
B
Retailer 16
-
$6,714 USD
View
B
Retailer 17
-
$6,854 USD
View
Retailer 18
-
$7,388 USD
View
Price last confirmed 11 days ago
B
Retailer 19
-
$7,420 USD
View
B
Retailer 20
-
$8,056 USD
ZAR 130,144 ZAR
View
B
Retailer 21
-
$9,660 USD
£7,606 GBP
View
Most Expensive
B
NZ Jewellers
4a2f35cb-d7bf-4388-ba7d-2b88dc3eea64 · Nov 3
$10,966 USD
View
21 more retailers have this diamond
Prices start from $4,816 USDSave up to $6,150 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
$4,816 USD