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Marquise|Natural|GIA

1.51ct J SI2 Marquise Natural Diamond

EX • J/SI2 • GIA 6552470809

Certificate GIA 6552470809

Diamond specifications and retailer prices

From $10,820 NZD
$6,088 USD
As of November 1, 2026
Save $12,546 NZD (54%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $23,366 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 J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6552470809. Listed at 17 retailers as of October 30, 2026, with prices from $10,820 to $23,366, a $12,546 spread on the same certified stone. NZ Jewellers lists it at $23,366. 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
J
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.95°
Pavilion angle42.18°
OriginNatural
Grading LabGIA
CertificateGIA 6552470809
Dimensions11.17 × 6.10 × 3.80 mm
L/W Ratio1.83
Girdle conditionVery Thick
Culet sizeNone
Key to symbols
Crystal, Feather, Cloud, Indented Natural
Top View
11.17 mm6.10 mm1.51 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6552470809
Side View
Table 65.0%Crown 34.95°Girdle: STK-VTKPavilion 42.18°Culet: NoneDepth 62.3%

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 1
Current: $23,366 NZD|Low: $11,037 NZD|High: $23,366 NZD|Avg: $14,598 NZD
NZ Jewellers
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
November 2, 2026
Retailer 12$11,037 NZD
Retailer 3$11,605 NZD
Retailer 5$11,682 NZD
Retailer 13$11,780 NZD
Retailer 6$12,656 NZD
Retailer 16$12,852 NZD
Retailer 10$13,062 NZD
Retailer 4$13,355 NZD
Retailer 15$14,005 NZD
Retailer 17$14,005 NZD
Retailer 14$14,467 NZD
Retailer 7$14,604 NZD
Retailer 2$15,261 NZD
Retailer 8$15,391 NZD
Retailer 9$16,655 NZD
Retailer 11$19,470 NZD
NZ Jewellers$23,366 NZD

40 data points across 17 retailers

17 retailers$10,820 NZD to $23,366 NZD

B+
Cheapest Retailer
-
$10,820 NZD
$6,088 USD
B+
Retailer 2
-
$11,037 NZD
$6,210 USD
View
B+
Retailer 3
-
$11,605 NZD
CA$9,069 CAD
View
B+
Retailer 4
-
$11,682 NZD
$6,573 USD
View
B
Retailer 5
-
$11,780 NZD
$6,628 USD
View
B
Retailer 6
-
$12,656 NZD
$7,121 USD
View
B
Retailer 7
-
$12,852 NZD
$7,231 USD
View
B+
Retailer 8
-
$13,062 NZD
£5,787 GBP
View
B
Retailer 9
-
$13,355 NZD
$7,514 USD
View
B
Retailer 10
-
$14,005 NZD
$7,880 USD
View
B
Retailer 11
-
$14,005 NZD
$7,880 USD
View
B
Retailer 12
-
$14,467 NZD
$8,140 USD
View
B
Retailer 13
-
$14,604 NZD
$8,217 USD
View
B
Retailer 14
-
$15,261 NZD
€8,178 EUR
View
Retailer 15
-
$15,391 NZD
$8,660 USD
View
Price last confirmed 10 days ago
B
Retailer 16
-
$19,470 NZD
£8,626 GBP
View
Most Expensive
C
NZ Jewellers
59f719e2-1b58-4986-80a0-1449147ab945 · Oct 30
$23,366 NZD
$13,147 USD
View
16 more retailers have this diamond
Prices start from $10,820 NZDSave up to $12,546 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
$10,820 NZD