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Marquise|Natural|GIA

1.51ct G SI2 Marquise Natural Diamond

EX • G/SI2 • GIA 7566212506

Certificate GIA 7566212506

Diamond specifications and retailer prices

From $5,816 USD
₹553,920 INR
As of November 2, 2026
Save $7,056 USD (55%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $12,872 USD 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 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 October 30, 2026, with prices from $5,816 to $12,872, a $7,056 spread on the same certified stone. NZ Jewellers lists it at $12,872. 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
Color
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: $12,872 USD|Low: $5,804 USD|High: $13,506 USD|Avg: $7,928 USD|-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 2, 2026
Retailer 2$5,816 USD
Retailer 5$6,138 USD
Retailer 15$6,690 USD
Retailer 6$6,712 USD
Retailer 16$6,823 USD
Retailer 13$7,104 USD
Retailer 11$7,196 USD
Retailer 9$7,456 USD
Retailer 3$7,500 USD
Retailer 7$7,696 USD
Retailer 14$7,815 USD
Retailer 8$7,934 USD
Retailer 10$7,944 USD
Retailer 4$8,880 USD
Retailer 12$10,726 USD
NZ Jewellers$12,872 USD

23 data points across 16 retailers

16 retailers$5,816 USD to $12,872 USD

A
Cheapest Retailer
-
$5,816 USD
₹553,920 INR
A
Retailer 2
-
$6,138 USD
View
Final sale: no returns
Retailer 3
-
$6,690 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
$6,712 USD
View
A
Retailer 5
-
$6,823 USD
View
Retailer 6
-
$7,104 USD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$7,196 USD
£5,666 GBP
View
A
Retailer 8
-
$7,456 USD
£5,871 GBP
View
A
Retailer 9
-
$7,500 USD
View
A
Retailer 10
-
$7,696 USD
View
Retailer 11
-
$7,815 USD
View
Price last confirmed 8 days ago
B+
Retailer 12
-
$7,934 USD
View
A
Retailer 13
-
$7,944 USD
€7,566 EUR
View
B+
Retailer 14
-
$8,880 USD
View
B+
Retailer 15
-
$10,726 USD
£8,446 GBP
View
Most Expensive
B
NZ Jewellers
24875a1d-6188-4197-9dc9-9e117889c7ac · Oct 30
$12,872 USD
View
15 more retailers have this diamond
Prices start from $5,816 USDSave up to $7,056 USD

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
$5,816 USD