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Marquise|Natural|GIA

1.51ct F SI2 Marquise Natural Diamond

VG • F/SI2 • GIA 5546764706

Certificate GIA 5546764706

Diamond specifications and retailer prices

From $15,629 NZD
As of November 4, 2026
Save $10,371 NZD (40%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $26,000 NZD at MOH London · As of November 4, 2026
View at MOH London

About this 1.51ct natural marquise diamond

This 1.51ct natural marquise sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 5546764706. Listed at 17 retailers as of November 4, 2026, with prices from $15,629 to $26,000, a $10,371 spread on the same certified stone. MOH London lists it at $26,000. 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

1.51
Carat
F
Colour
SI2
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.87°
Pavilion angle41.58°
OriginNatural
Grading LabGIA
CertificateGIA 5546764706
Dimensions10.89 × 5.87 × 3.84 mm
L/W Ratio1.86
Top View
10.89 mm5.87 mm1.51 ctF / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5546764706
Side View
Table 62.0%Crown 39.87°Girdle: STK-VTKPavilion 41.58°Culet: NoneDepth 65.4%

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: $26,000 NZD|Low: $10,365 NZD|High: $26,383 NZD|Avg: $18,105 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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 7, 2026
Retailer 10$10,365 NZD
Retailer 14$13,219 NZD
Retailer 8$14,253 NZD
Retailer 19$15,629 NZD
Retailer 11$16,325 NZD
Retailer 4$16,830 NZD
Retailer 16$17,182 NZD
Retailer 9$17,435 NZD
Retailer 21$17,797 NZD
Retailer 2$18,086 NZD
Retailer 13$18,467 NZD
Retailer 17$18,467 NZD
Retailer 12$18,726 NZD
Retailer 6$19,644 NZD
Retailer 7$19,644 NZD
Retailer 5$20,294 NZD
Retailer 18$20,599 NZD
Retailer 20$20,866 NZD
Retailer 15$21,024 NZD
Retailer 3$21,968 NZD
MOH London$26,000 NZD

20 data points across 21 retailers

17 retailers$15,629 NZD to $26,000 NZD

B+
Cheapest Retailer
-
$15,629 NZD
Retailer 2
-
$16,691 NZD
View
Price last confirmed 30 days ago
B+
Retailer 3
-
$16,830 NZD
View
B+
Retailer 4
-
$17,182 NZD
View
B+
Retailer 5
-
$17,797 NZD
View
Retailer 6
-
$18,082 NZD
View
Price last confirmed 30 days ago
B+
Retailer 7
-
$18,086 NZD
View
Retailer 8
-
$18,362 NZD
View
Price last confirmed 37 days ago
B+
Retailer 9
-
$18,467 NZD
View
B+
Retailer 10
-
$18,467 NZD
View
B
Retailer 11
-
$19,644 NZD
View
B
Retailer 12
-
$19,644 NZD
View
B
Retailer 13
-
$20,294 NZD
View
B
Retailer 14
-
$20,599 NZD
View
B
Retailer 15
-
$21,024 NZD
View
Retailer 16
-
$21,968 NZD
View
Price last confirmed 30 days ago
Most Expensive
B
MOH London
EFF3AFB1F · Nov 4
$26,000 NZD
£11,349 GBP
View
16 more retailers have this diamond
Prices start from $15,629 NZDSave up to $10,371 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+
1.51ct Marquise
$15,629 NZD