Marquise|Natural|GIA

1.51ct J SI1 Marquise Natural Diamond

EX • J/SI1 • GIA 2566364425

Certificate GIA 2566364425

Diamond specifications and retailer prices

From $11,804 NZD
₹632,523 INR
As of November 2, 2026
Save $14,481 NZD (55%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $26,284 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2566364425. Listed at 21 retailers as of October 30, 2026, with prices from $11,804 to $26,284, a $14,481 spread on the same certified stone. NZ Jewellers lists it at $26,284. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2566364425
Dimensions11.56 × 6.06 × 3.74 mm
L/W Ratio1.91
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather
Top View
11.56 mm6.06 mm1.51 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2566364425
Side View
Table 61.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 61.7%

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 2
Current: $26,284 NZD|Low: $11,804 NZD|High: $26,704 NZD|Avg: $15,562 NZD|-1.6%
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
Retailer 18
Retailer 19
Retailer 20
Retailer 21
November 2, 2026
Retailer 16$11,804 NZD
Retailer 20$12,144 NZD
Retailer 9$12,574 NZD
Retailer 13$13,191 NZD
Retailer 11$13,582 NZD
Retailer 19$13,779 NZD
Retailer 18$14,325 NZD
Retailer 10$14,485 NZD
Retailer 6$14,506 NZD
Retailer 3$14,531 NZD
Retailer 14$15,142 NZD
Retailer 5$15,167 NZD
Retailer 12$15,365 NZD
Retailer 21$15,626 NZD
Retailer 7$15,715 NZD
Retailer 2$15,830 NZD
Retailer 4$16,058 NZD
Retailer 17$16,142 NZD
Retailer 15$17,988 NZD
Retailer 8$22,019 NZD
NZ Jewellers$26,284 NZD

12 data points across 21 retailers

21 retailers$11,804 NZD to $26,284 NZD

B+
Cheapest Retailer
-
$11,804 NZD
₹632,523 INR
B+
Retailer 2
-
$12,144 NZD
A$10,512 AUD
View
B+
Retailer 3
-
$12,574 NZD
$7,075 USD
View
Final sale: no returns
B+
Retailer 4
-
$13,191 NZD
$7,422 USD
View
B+
Retailer 5
-
$13,582 NZD
$7,642 USD
View
B+
Retailer 6
-
$13,779 NZD
$7,753 USD
View
B
Retailer 7
-
$14,325 NZD
$8,060 USD
View
B
Retailer 8
-
$14,485 NZD
$8,150 USD
View
B
Retailer 9
-
$14,506 NZD
$8,162 USD
View
B
Retailer 10
-
$14,531 NZD
£6,438 GBP
View
Retailer 11
-
$15,142 NZD
A$13,107 AUD
View
Price last confirmed 9 days ago
B
Retailer 12
-
$15,167 NZD
£6,719 GBP
View
Retailer 13
-
$15,365 NZD
$8,645 USD
View
Price last confirmed 8 days ago
B
Retailer 14
-
$15,626 NZD
$8,792 USD
View
B
Retailer 15
-
$15,715 NZD
$8,842 USD
View
B
Retailer 16
-
$15,830 NZD
$8,907 USD
View
B
Retailer 17
-
$16,058 NZD
$9,035 USD
View
B
Retailer 18
-
$16,142 NZD
€8,650 EUR
View
B
Retailer 19
-
$17,988 NZD
$10,121 USD
View
B
Retailer 20
-
$22,019 NZD
£9,755 GBP
View
Most Expensive
B
NZ Jewellers
6bb1fa8d-6ca7-4383-a961-5087c68daff0 · Oct 30
$26,284 NZD
$14,789 USD
View
20 more retailers have this diamond
Prices start from $11,804 NZDSave up to $14,481 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
$11,804 NZD