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Marquise|Natural|GIA

1.51ct D SI2 Marquise Natural Diamond

EX • D/SI2 • GIA 5553877458

Certificate GIA 5553877458

Diamond specifications and retailer prices

From $8,214 USD
₹782,323 INR
As of November 2, 2026
Save $6,857 USD (45%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $15,071 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 D 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 5553877458. Listed at 14 retailers as of October 30, 2026, with prices from $8,214 to $15,071, a $6,857 spread on the same certified stone. NZ Jewellers lists it at $15,071. 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
D
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5553877458
Dimensions13.58 × 5.56 × 3.16 mm
L/W Ratio2.44
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Twinning Wisp, Needle
Top View
13.58 mm5.56 mm1.51 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 5553877458
Side View
Table 60.0%CrownGirdle: THK-VTKPavilionCulet: NDepth 56.9%

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: $8,214 USD|Low: $8,198 USD|High: $14,293 USD|Avg: $10,595 USD|-0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 1$8,214 USD
Retailer 5$8,692 USD
Retailer 3$9,810 USD
Retailer 7$10,813 USD
Retailer 2$10,849 USD
Retailer 6$10,979 USD
Retailer 4$14,122 USD

43 data points across 7 retailers

14 retailers$8,214 USD to $15,071 USD

A
Cheapest Retailer
-
$8,214 USD
₹782,323 INR
A
Retailer 2
-
$8,692 USD
View
Final sale: no returns
A
Retailer 3
-
$9,150 USD
View
A
Retailer 4
-
$9,261 USD
View
A
Retailer 5
-
$9,810 USD
£7,724 GBP
View
B+
Retailer 6
-
$9,981 USD
View
B+
Retailer 7
-
$10,813 USD
View
B+
Retailer 8
-
$10,849 USD
€10,332 EUR
View
B+
Retailer 9
-
$10,979 USD
View
B+
Retailer 10
-
$11,064 USD
View
B
Retailer 11
-
$12,477 USD
View
Retailer 12
-
$12,935 USD
View
Price last confirmed 57 days ago
B
Retailer 13
-
$14,122 USD
£11,120 GBP
View
Most Expensive
B
NZ Jewellers
4acfa7d8-9450-421e-80a5-34c289f89a5a · Oct 30
$15,071 USD
View
13 more retailers have this diamond
Prices start from $8,214 USDSave up to $6,857 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
$8,214 USD