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Marquise|Natural|GIA

1.51ct D SI2 Marquise Natural Diamond

GD • D/SI2 • GIA 1555999788

Certificate GIA 1555999788

Diamond specifications and retailer prices

From $11,738 NZD
₹629,011 INR
As of November 2, 2026
Save $14,196 NZD (55%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $25,934 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 standard cut grade stated by the retailer rather than the lab and certified by GIA 1555999788. Listed at 15 retailers as of October 30, 2026, with prices from $11,738 to $25,934, a $14,196 spread on the same certified stone. NZ Jewellers lists it at $25,934. 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
D
Colour
SI2
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1555999788
Dimensions10.70 × 5.95 × 3.85 mm
L/W Ratio1.80
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Cloud, Crystal, Needle, Indented Natural
Top View
10.70 mm5.95 mm1.51 ctD / SI2
OriginNatural
CutGood
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1555999788
Side View
Table 63.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 64.7%

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: $11,738 NZD|Low: $11,715 NZD|High: $21,870 NZD|Avg: $15,353 NZD|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 1$11,738 NZD
Retailer 5$12,400 NZD
Retailer 7$14,313 NZD
Retailer 3$14,331 NZD
Retailer 6$15,745 NZD
Retailer 2$16,051 NZD
Retailer 4$21,610 NZD

40 data points across 7 retailers

15 retailers$11,738 NZD to $25,934 NZD

A
Cheapest Retailer
-
$11,738 NZD
₹629,011 INR
A
Retailer 2
-
$12,400 NZD
$6,977 USD
View
Final sale: no returns
B+
Retailer 3
-
$13,120 NZD
$7,382 USD
View
B+
Retailer 4
-
$13,401 NZD
$7,540 USD
View
B+
Retailer 5
-
$14,313 NZD
$8,053 USD
View
A
Retailer 6
-
$14,331 NZD
£6,349 GBP
View
B+
Retailer 7
-
$14,449 NZD
$8,130 USD
View
B+
Retailer 8
-
$15,505 NZD
$8,724 USD
View
B+
Retailer 9
-
$15,745 NZD
$8,859 USD
View
B+
Retailer 10
-
$15,842 NZD
$8,914 USD
View
B+
Retailer 11
-
$16,051 NZD
€8,601 EUR
View
B+
Retailer 12
-
$17,892 NZD
$10,067 USD
View
Retailer 13
-
$18,406 NZD
$10,356 USD
View
Price last confirmed 57 days ago
B
Retailer 14
-
$21,610 NZD
£9,574 GBP
View
Most Expensive
B
NZ Jewellers
218bb830-27e3-44fe-b6b1-239dfe633603 · Oct 30
$25,934 NZD
$14,592 USD
View
14 more retailers have this diamond
Prices start from $11,738 NZDSave up to $14,196 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
$11,738 NZD