CaratHunter
Plans
Marquise|Natural|GIA

1.51ct G SI2 Marquise Natural Diamond

EX • G/SI2 • GIA 7566212506

Certificate GIA 7566212506

Diamond specifications and retailer prices

From $10,337 NZD
₹553,920 INR
As of November 2, 2026
Save $12,540 NZD (55%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $22,877 NZD at NZ Jewellers · As of November 3, 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 G 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 7566212506. Listed at 16 retailers as of November 2, 2026, with prices from $10,337 to $22,877, a $12,540 spread on the same certified stone. NZ Jewellers lists it at $22,877. 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
G
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
OriginNatural
Grading LabGIA
CertificateGIA 7566212506
Dimensions11.42 × 6.02 × 3.79 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Feather, Twinning Wisp, Crystal, Needle, Indented Natural
Top View
11.42 mm6.02 mm1.51 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 7566212506
Side View
Table 59.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 62.9%

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: $22,877 NZD|Low: $10,316 NZD|High: $24,004 NZD|Avg: $14,083 NZD|-4.7%
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
November 3, 2026
Retailer 9$10,337 NZD
Retailer 5$10,909 NZD
Retailer 15$11,890 NZD
Retailer 6$11,929 NZD
Retailer 16$12,127 NZD
Retailer 13$12,626 NZD
Retailer 2$12,896 NZD
Retailer 10$13,251 NZD
Retailer 3$13,330 NZD
Retailer 7$13,678 NZD
Retailer 14$13,890 NZD
Retailer 8$14,101 NZD
Retailer 11$14,119 NZD
Retailer 4$15,782 NZD
Retailer 12$19,064 NZD
NZ Jewellers$22,877 NZD

24 data points across 16 retailers

16 retailers$10,337 NZD to $22,877 NZD

A
Cheapest Retailer
-
$10,337 NZD
₹553,920 INR
A
Retailer 2
-
$10,909 NZD
$6,138 USD
View
Final sale: no returns
Retailer 3
-
$11,890 NZD
$6,690 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
$11,929 NZD
$6,712 USD
View
A
Retailer 5
-
$12,127 NZD
$6,823 USD
View
Retailer 6
-
$12,626 NZD
$7,104 USD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$12,896 NZD
£5,714 GBP
View
A
Retailer 8
-
$13,251 NZD
£5,871 GBP
View
A
Retailer 9
-
$13,330 NZD
$7,500 USD
View
A
Retailer 10
-
$13,678 NZD
$7,696 USD
View
B+
Retailer 11
-
$13,890 NZD
$7,815 USD
View
B+
Retailer 12
-
$14,101 NZD
$7,934 USD
View
A
Retailer 13
-
$14,119 NZD
€7,566 EUR
View
B+
Retailer 14
-
$15,782 NZD
$8,880 USD
View
B+
Retailer 15
-
$19,064 NZD
£8,446 GBP
View
Most Expensive
B
NZ Jewellers
24875a1d-6188-4197-9dc9-9e117889c7ac · Nov 3
$22,877 NZD
$12,872 USD
View
15 more retailers have this diamond
Prices start from $10,337 NZDSave up to $12,540 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
$10,337 NZD