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Marquise|Natural|GIA

1.51ct D IF Marquise Natural Diamond

EX • D/IF • GIA 1232770907

Certificate GIA 1232770907

Diamond specifications and retailer prices

From $21,094 USD
As of October 31, 2026
1 retailer carries this diamond
Only listing: $21,094 USD at Blue Nile
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Blue Nile

About this 1.51ct natural marquise diamond

This 1.51ct natural marquise sits in the one-and-a-half to two carat band, graded D colour (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 1232770907. Listed at a single retailer as of October 31, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

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

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.45°
Pavilion angle39.56°
OriginNatural
Grading LabGIA
CertificateGIA 1232770907
Dimensions11.73 × 6.10 × 3.73 mm
L/W Ratio1.92
Girdle conditionThick
Top View
11.73 mm6.10 mm1.51 ctD / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1232770907
Side View
Table 58.0%Crown 35.45°GirdlePavilion 39.56°CuletDepth 61.1%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 31
Current: $21,094 USD|Low: $21,094 USD|High: $26,426 USD|Avg: $23,054 USD|-3.8%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Blue Nile$21,094 USD
Retailer 3$22,001 USD
Retailer 5$22,398 USD
Retailer 4$22,978 USD
Retailer 6$23,993 USD
Retailer 2$25,298 USD

34 data points across 6 retailers

1 retailer

B+
Blue Nile
27623803 · Oct 31
$21,094 USD
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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
$21,094 USD