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Marquise|Natural|GIA

1.51ct D SI2 Marquise Natural Diamond

EX • D/SI2 • GIA 5553877458

Certificate GIA 5553877458

Diamond specifications and retailer prices

From $14,599 NZD
₹782,323 INR
As of November 2, 2026
Save $12,186 NZD (45%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $26,786 NZD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural marquise diamond

This 1.51ct natural marquise sits in the one-and-a-half to two carat band, graded D 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 5553877458. Listed at 14 retailers as of October 30, 2026, with prices from $14,599 to $26,786, a $12,186 spread on the same certified stone. NZ Jewellers lists it at $26,786. 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
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5553877458
Dimensions13.58 × 5.56 × 3.16 mm
L/W Ratio2.44
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Twinning Wisp, Needle
Top View
13.58 mm5.56 mm1.51 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 5553877458
Side View
Table 60.0%CrownGirdle: THK-VTKPavilionCulet: NDepth 56.9%

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 2
Current: $14,599 NZD|Low: $14,570 NZD|High: $25,402 NZD|Avg: $18,831 NZD|-0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 1$14,599 NZD
Retailer 5$15,448 NZD
Retailer 3$17,435 NZD
Retailer 7$19,218 NZD
Retailer 2$19,281 NZD
Retailer 6$19,513 NZD
Retailer 4$25,100 NZD

43 data points across 7 retailers

14 retailers$14,599 NZD to $26,786 NZD

A
Cheapest Retailer
-
$14,599 NZD
₹782,323 INR
A
Retailer 2
-
$15,448 NZD
$8,692 USD
View
Final sale: no returns
A
Retailer 3
-
$16,262 NZD
$9,150 USD
View
A
Retailer 4
-
$16,460 NZD
$9,261 USD
View
A
Retailer 5
-
$17,435 NZD
£7,724 GBP
View
B+
Retailer 6
-
$17,739 NZD
$9,981 USD
View
B+
Retailer 7
-
$19,218 NZD
$10,813 USD
View
B+
Retailer 8
-
$19,281 NZD
€10,332 EUR
View
B+
Retailer 9
-
$19,513 NZD
$10,979 USD
View
B+
Retailer 10
-
$19,664 NZD
$11,064 USD
View
B
Retailer 11
-
$22,175 NZD
$12,477 USD
View
Retailer 12
-
$22,989 NZD
$12,935 USD
View
Price last confirmed 57 days ago
B
Retailer 13
-
$25,100 NZD
£11,120 GBP
View
Most Expensive
B
NZ Jewellers
4acfa7d8-9450-421e-80a5-34c289f89a5a · Oct 30
$26,786 NZD
$15,071 USD
View
13 more retailers have this diamond
Prices start from $14,599 NZDSave up to $12,186 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
$14,599 NZD