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Marquise|Natural|GIA

1.51ct H SI1 Marquise Natural Diamond

EX • H/SI1 • GIA 6555830427

Certificate GIA 6555830427

Diamond specifications and retailer prices

From ₹8,60,777 INR
As of November 4, 2026
Save ₹7,76,343 INR (47%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: ₹16,37,120 INR 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6555830427. Listed at 22 retailers as of November 4, 2026, with prices from ₹8,60,777 to ₹16,37,120, a ₹7,76,343 spread on the same certified stone. NZ Jewellers lists it at ₹16,37,120. 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
H
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle39.8°
Pavilion angle39.44°
OriginNatural
Grading LabGIA
CertificateGIA 6555830427
Dimensions11.45 × 5.91 × 3.74 mm
L/W Ratio1.94
Culet sizeNone
Top View
11.45 mm5.91 mm1.51 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6555830427
Side View
Table 58.0%Crown 39.8°Girdle: STK-THKPavilion 39.44°Culet: NoneDepth 63.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: ₹10,50,871 INR|Low: ₹8,60,777 INR|High: ₹15,52,498 INR|Avg: ₹11,83,350 INR|-1.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 6₹8,60,777 INR
Retailer 10₹9,82,215 INR
Retailer 1₹10,50,871 INR
Retailer 3₹10,64,114 INR
Retailer 8₹10,66,931 INR
Retailer 2₹10,80,456 INR
Retailer 11₹10,95,577 INR
Retailer 9₹11,96,447 INR
Retailer 7₹12,32,512 INR
Retailer 4₹14,33,031 INR
Retailer 5₹15,29,957 INR

46 data points across 11 retailers

22 retailers₹8,60,777 INR to ₹16,37,120 INR

B+
Cheapest Retailer
-
₹8,60,777 INR
B+
Retailer 2
-
₹9,11,306 INR
View
B+
Retailer 3
-
₹9,22,107 INR
View
B
Retailer 4
-
₹9,70,663 INR
View
Retailer 5
-
₹9,82,215 INR
View
Price last confirmed 9 days ago
B
Retailer 6
-
₹9,82,215 INR
View
Final sale: no returns
B
Retailer 7
-
₹10,50,871 INR
View
B
Retailer 8
-
₹10,64,114 INR
View
Retailer 9
-
₹10,66,931 INR
View
Price last confirmed 15 days ago
B
Retailer 10
-
₹10,80,456 INR
View
B
Retailer 11
-
₹10,95,577 INR
View
B
Retailer 12
-
₹11,48,642 INR
View
B
Retailer 13
-
₹11,48,642 INR
View
B
Retailer 14
-
₹11,70,243 INR
View
B
Retailer 15
-
₹11,87,149 INR
View
B
Retailer 16
-
₹11,96,447 INR
View
B
Retailer 17
-
₹12,27,816 INR
View
B
Retailer 18
-
₹12,32,512 INR
View
Retailer 19
-
₹12,92,339 INR
View
Price last confirmed 15 days ago
B
Retailer 20
-
₹14,33,031 INR
View
B
Retailer 21
-
₹15,29,957 INR
View
Most Expensive
B
NZ Jewellers
ae7b53dc-56f9-4716-9037-2b4f7d008ff1 · Nov 5
₹16,37,120 INR
$17,431 USD
View
21 more retailers have this diamond
Prices start from ₹8,60,777 INRSave up to ₹7,76,343 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.

B+
1.51ct Marquise
₹8,60,777 INR