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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 $8,688 NZD
As of November 5, 2026
Save $11,094 NZD (56%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $19,782 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 6561121500. Listed at 22 retailers as of November 5, 2026, with prices from $8,688 to $19,782, a $11,094 spread on the same certified stone. NZ Jewellers lists it at $19,782. 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
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 5
Current: $19,782 NZD|Low: $8,686 NZD|High: $20,220 NZD|Avg: $12,071 NZD|-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 6, 2026
Retailer 19$8,688 NZD
Retailer 12$9,074 NZD
Retailer 3$9,599 NZD
Retailer 10$9,891 NZD
Retailer 4$9,994 NZD
Retailer 6$10,571 NZD
Retailer 20$10,681 NZD
Retailer 7$10,715 NZD
Retailer 8$10,715 NZD
Retailer 16$10,715 NZD
Retailer 17$11,233 NZD
Retailer 2$11,475 NZD
Retailer 14$11,554 NZD
Retailer 9$12,111 NZD
Retailer 5$12,364 NZD
Retailer 13$13,187 NZD
Retailer 11$13,327 NZD
Retailer 15$14,431 NZD
Retailer 18$17,379 NZD
NZ Jewellers$19,782 NZD

22 data points across 20 retailers

22 retailers$8,688 NZD to $19,782 NZD

B+
Cheapest Retailer
-
$8,688 NZD
Retailer 2
-
$9,074 NZD
View
Price last confirmed 17 days ago
B+
Retailer 3
-
$9,599 NZD
View
B+
Retailer 4
-
$9,891 NZD
View
Final sale: no returns
B+
Retailer 5
-
$9,994 NZD
View
B
Retailer 6
-
$10,571 NZD
View
B
Retailer 7
-
$10,681 NZD
View
B
Retailer 8
-
$10,715 NZD
View
B
Retailer 9
-
$10,715 NZD
View
Retailer 10
-
$10,715 NZD
View
Price last confirmed 9 days ago
B
Retailer 11
-
$10,843 NZD
View
B
Retailer 12
-
$11,233 NZD
View
B
Retailer 13
-
$11,475 NZD
View
B
Retailer 14
-
$11,554 NZD
View
Retailer 15
-
$11,798 NZD
View
Price last confirmed 26 days ago
B
Retailer 16
-
$12,111 NZD
View
B
Retailer 17
-
$12,364 NZD
View
B
Retailer 18
-
$13,187 NZD
View
Retailer 19
-
$13,327 NZD
View
Price last confirmed 15 days ago
B
Retailer 20
-
$14,431 NZD
View
B
Retailer 21
-
$17,379 NZD
View
Most Expensive
B
NZ Jewellers
784cc176-74e4-4ff7-9ffc-1e7df921af93 · Nov 5
$19,782 NZD
$10,966 USD
View
21 more retailers have this diamond
Prices start from $8,688 NZDSave up to $11,094 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.

B+
1.20ct Marquise
$8,688 NZD