Marquise|Natural|GIA

1.51ct I IF Marquise Natural Diamond

EX • I/IF • GIA 2231985790

Certificate GIA 2231985790

Diamond specifications and retailer prices

From $8,243 USD
As of November 4, 2026
Save $7,420 USD (47%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $15,663 USD at NZ Jewellers · As of November 5, 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 I colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2231985790. Listed at 8 retailers as of November 4, 2026, with prices from $8,243 to $15,663, a $7,420 spread on the same certified stone. NZ Jewellers lists it at $15,663. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
I
Color
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle39.95°
OriginNatural
Grading LabGIA
CertificateGIA 2231985790
Dimensions11.64 × 6.01 × 3.71 mm
L/W Ratio1.94
Top View
11.64 mm6.01 mm1.51 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2231985790
Side View
Table 62.0%CrownGirdle: STK-THKPavilion 39.95°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $15,663 USD|Low: $8,243 USD|High: $16,803 USD|Avg: $12,100 USD|-6.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 6$8,243 USD
Retailer 7$9,576 USD
Retailer 5$11,238 USD
Retailer 4$11,411 USD
Retailer 8$11,458 USD
Retailer 2$11,655 USD
Retailer 3$14,638 USD
NZ Jewellers$15,663 USD

31 data points across 8 retailers

8 retailers$8,243 USD to $15,663 USD

A
Cheapest Retailer
-
$8,243 USD
Retailer 2
-
$9,576 USD
View
Price last confirmed 25 days ago
B+
Retailer 3
-
$11,238 USD
View
B+
Retailer 4
-
$11,411 USD
View
B+
Retailer 5
-
$11,458 USD
View
B+
Retailer 6
-
$11,655 USD
View
B+
Retailer 7
-
$14,638 USD
View
Most Expensive
B
NZ Jewellers
72414caf-c9d6-4b4f-a3c7-88b33600917d · Nov 5
$15,663 USD
View
7 more retailers have this diamond
Prices start from $8,243 USDSave up to $7,420 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
$8,243 USD