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Marquise|Natural|GIA

1.20ct F SI1 Marquise Natural Diamond

VG • F/SI1 • GIA 2557770054

Certificate GIA 2557770054

Diamond specifications and retailer prices

From $8,742 NZD
As of November 4, 2026
Save $7,515 NZD (46%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $16,257 NZD at MOH London · As of November 4, 2026
View at MOH London

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 very-good cut grade stated by the retailer rather than the lab and certified by GIA 2557770054. Listed at 20 retailers as of November 4, 2026, with prices from $8,742 to $16,257, a $7,515 spread on the same certified stone. MOH London lists it at $16,257. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.20
Carat
F
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle41.01°
Pavilion angle40.15°
OriginNatural
Grading LabGIA
CertificateGIA 2557770054
Dimensions10.07 × 5.44 × 3.55 mm
L/W Ratio1.85
Culet sizeNone
Top View
10.07 mm5.44 mm1.20 ctF / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2557770054
Side View
Table 59.0%Crown 41.01°Girdle: STK-VTKPavilion 40.15°Culet: NoneDepth 65.2%

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 4
Current: $16,257 NZD|Low: $7,986 NZD|High: $16,497 NZD|Avg: $11,037 NZD|-1.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
November 7, 2026
Retailer 16$7,986 NZD
Retailer 14$8,486 NZD
Retailer 9$8,742 NZD
Retailer 10$9,380 NZD
Retailer 7$9,903 NZD
Retailer 3$9,985 NZD
Retailer 23$10,448 NZD
Retailer 2$10,510 NZD
Retailer 4$10,531 NZD
Retailer 18$10,733 NZD
Retailer 12$10,787 NZD
Retailer 13$10,923 NZD
Retailer 8$10,993 NZD
Retailer 6$11,202 NZD
Retailer 24$11,202 NZD
Retailer 5$11,563 NZD
Retailer 22$11,565 NZD
Retailer 19$11,702 NZD
Retailer 20$12,021 NZD
Retailer 11$12,202 NZD
Retailer 17$13,113 NZD
Retailer 21$13,499 NZD
Retailer 15$13,863 NZD
MOH London$16,257 NZD

21 data points across 24 retailers

20 retailers$8,742 NZD to $16,257 NZD

B+
Cheapest Retailer
-
$8,742 NZD
B
Retailer 2
-
$9,380 NZD
View
B
Retailer 3
-
$9,903 NZD
View
B
Retailer 4
-
$9,985 NZD
View
Retailer 5
-
$10,022 NZD
View
Price last confirmed 30 days ago
B
Retailer 6
-
$10,448 NZD
View
B
Retailer 7
-
$10,510 NZD
View
B
Retailer 8
-
$10,531 NZD
View
B
Retailer 9
-
$10,733 NZD
View
B
Retailer 10
-
$10,923 NZD
View
Retailer 11
-
$10,993 NZD
View
Price last confirmed 34 days ago
B
Retailer 12
-
$11,202 NZD
View
B
Retailer 13
-
$11,202 NZD
View
B
Retailer 14
-
$11,563 NZD
View
B
Retailer 15
-
$11,565 NZD
View
B
Retailer 16
-
$11,702 NZD
View
B
Retailer 17
-
$12,021 NZD
View
Retailer 18
-
$12,202 NZD
View
Price last confirmed 29 days ago
B
Retailer 19
-
$13,499 NZD
View
Most Expensive
B
MOH London
3DCC2BDE9 · Nov 4
$16,257 NZD
£7,096 GBP
View
19 more retailers have this diamond
Prices start from $8,742 NZDSave up to $7,515 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
$8,742 NZD