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Marquise|Natural|GIA

1.51ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 6552452687

Certificate GIA 6552452687

Diamond specifications and retailer prices

From ₹8,08,025 INR
$8,510 USD
As of November 1, 2026
Save ₹2,13,638 INR (21%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: ₹10,21,662 INR at Blue Nile · As of October 29, 2026
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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6552452687. Listed at 6 retailers as of October 29, 2026, with prices from ₹8,08,025 to ₹10,21,662, a ₹2,13,638 spread on the same certified stone. Blue Nile lists it at ₹10,21,662. 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
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6552452687
Dimensions11.39 × 5.94 × 3.76 mm
L/W Ratio1.92
Culet sizeNone
Key to symbols
Twinning Wisp, Crystal, Feather, Needle, Indented Natural
Top View
11.39 mm5.94 mm1.51 ctD / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6552452687
Side View
Table 60.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 63.3%

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 1
Current: ₹10,21,662 INR|Low: ₹7,82,198 INR|High: ₹10,98,951 INR|Avg: ₹9,09,347 INR|-7.0%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 31, 2026
Retailer 4₹8,08,025 INR
Retailer 3₹8,16,175 INR
Retailer 5₹8,73,825 INR
Retailer 2₹8,76,323 INR
Retailer 6₹9,11,330 INR
Retailer 7₹9,86,307 INR
Blue Nile₹10,21,662 INR

37 data points across 7 retailers

6 retailers₹8,08,025 INR to ₹10,21,662 INR

A
Cheapest Retailer
-
₹8,08,025 INR
$8,510 USD
A
Retailer 2
-
₹8,16,175 INR
SGD 11,616 SGD
View
A
Retailer 3
-
₹8,73,825 INR
$9,203 USD
View
A
Retailer 4
-
₹8,76,323 INR
£7,267 GBP
View
B+
Retailer 5
-
₹9,11,330 INR
$9,598 USD
View
Final sale: no returns
Most Expensive
B+
Blue Nile
29415853 · Oct 29
₹10,21,662 INR
$10,760 USD
View
5 more retailers have this diamond
Prices start from ₹8,08,025 INRSave up to ₹2,13,638 INR

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
₹8,08,025 INR