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Marquise|Natural|GIA

1.51ct F SI2 Marquise Natural Diamond

EX • F/SI2 • GIA 2566145579

Certificate GIA 2566145579

Diamond specifications and retailer prices

From $13,304 NZD
As of November 4, 2026
Save $6,308 NZD (32%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $19,612 NZD at Diamonds Direct · As of November 4, 2026
View at Diamonds Direct

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 top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2566145579. Listed at 11 retailers as of November 4, 2026, with prices from $13,304 to $19,612, a $6,308 spread on the same certified stone. Diamonds Direct lists it at $19,612. 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

1.51
Carat
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.2°
Pavilion angle40.32°
OriginNatural
Grading LabGIA
CertificateGIA 2566145579
Dimensions11.21 × 5.93 × 3.77 mm
L/W Ratio1.89
Culet sizeNone
Top View
11.21 mm5.93 mm1.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566145579
Side View
Table 60.0%Crown 38.2°Girdle: MED-THKPavilion 40.32°Culet: NoneDepth 63.6%

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 4
Current: $19,612 NZD|Low: $13,304 NZD|High: $20,424 NZD|Avg: $16,431 NZD|-4.0%
Diamonds Direct
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 11$13,304 NZD
Retailer 2$13,437 NZD
Retailer 12$14,512 NZD
Retailer 6$14,640 NZD
Retailer 4$14,729 NZD
Retailer 3$14,994 NZD
Retailer 5$15,012 NZD
Retailer 9$17,124 NZD
Retailer 10$17,283 NZD
Retailer 8$17,539 NZD
Retailer 7$17,592 NZD
Diamonds Direct$19,612 NZD

34 data points across 12 retailers

11 retailers$13,304 NZD to $19,612 NZD

A
Cheapest Retailer
-
$13,304 NZD
A
Retailer 2
-
$13,437 NZD
View
Retailer 3
-
$14,512 NZD
View
Price last confirmed 10 days ago
A
Retailer 4
-
$14,640 NZD
View
A
Retailer 5
-
$14,994 NZD
View
A
Retailer 6
-
$15,012 NZD
View
B+
Retailer 7
-
$17,124 NZD
View
B+
Retailer 8
-
$17,283 NZD
View
B+
Retailer 9
-
$17,539 NZD
View
B+
Retailer 10
-
$17,592 NZD
View
Most Expensive
B+
Diamonds Direct
1112120 · Nov 4
$19,612 NZD
$10,872 USD
View
10 more retailers have this diamond
Prices start from $13,304 NZDSave up to $6,308 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.

A
1.51ct Marquise
$13,304 NZD