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Marquise|Natural|GIA

1.51ct E SI2 Marquise Natural Diamond

EX • E/SI2 • GIA 2556718843

Certificate GIA 2556718843

Diamond specifications and retailer prices

From $12,620 USD
9 retailers carry this diamond
Most expensive: $12,620 USD at GemsNY
View at GemsNY

About this 1.51ct natural marquise diamond

This 1.51ct natural marquise sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2556718843. Listed at 9 retailers. 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
E
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2556718843
Dimensions11.34 × 5.95 × 3.78 mm
L/W Ratio1.91
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Cavity, Indented Natural
Top View
11.34 mm5.95 mm1.51 ctE / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 2556718843
Side View
Table 60.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 63.5%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 25
Current: $12,620 USD|Low: $7,181 USD|High: $12,620 USD|Avg: $10,408 USD
GemsNY
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
September 14, 2026
Retailer 8$7,181 USD
Retailer 6$7,643 USD
Retailer 7$7,947 USD
Retailer 13$8,899 USD
Retailer 9$9,591 USD
Retailer 16$10,228 USD
Retailer 11$10,390 USD
Retailer 10$10,494 USD
Retailer 2$10,700 USD
Retailer 3$11,270 USD
Retailer 4$11,270 USD
Retailer 15$11,640 USD
Retailer 12$11,988 USD
Retailer 14$12,135 USD
Retailer 5$12,332 USD
GemsNY$12,620 USD

10 data points across 16 retailers

9 retailers

B+
Retailer 1
-
$10,228 USD
Price last confirmed 18 days ago
B+
Retailer 2
-
$10,390 USD
View
Price last confirmed 20 days ago
B+
Retailer 3
-
$10,494 USD
£8,263 GBP
View
Price last confirmed 18 days ago
B+
Retailer 4
-
$10,700 USD
£8,425 GBP
View
Price last confirmed 17 days ago
B
Retailer 5
-
$11,270 USD
View
Price last confirmed 17 days ago
B
Retailer 6
-
$11,640 USD
View
Price last confirmed 17 days ago
B
Retailer 7
-
$11,988 USD
View
Price last confirmed 20 days ago
B
Retailer 8
-
$12,135 USD
View
Price last confirmed 16 days ago
Most Expensive
B
GemsNY
N747136 · Sep 25
$12,620 USD
View
8 more retailers have this diamond

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.

B+
1.51ct Marquise
$12,620 USD