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Marquise|Natural|GIA

0.51ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 1555183694

Certificate GIA 1555183694

Diamond specifications and retailer prices

From ₹35,950 INR
As of November 2, 2026
Save ₹1,26,821 INR (78%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: ₹1,62,771 INR at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.51ct natural marquise diamond

This 0.51ct natural marquise sits in the half to three-quarter carat band, graded I 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 1555183694. Listed at 18 retailers as of October 30, 2026, with prices from ₹35,950 to ₹1,62,771, a ₹1,26,821 spread on the same certified stone. NZ Jewellers lists it at ₹1,62,771. 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

0.51
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 1555183694
Dimensions9.37 × 4.07 × 2.42 mm
L/W Ratio2.30
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal
Top View
9.37 mm4.07 mm0.51 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 1555183694
Side View
Table 61.0%CrownGirdle: THN-THKPavilionCulet: NoneDepth 59.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: ₹1,62,771 INR|Low: ₹35,950 INR|High: ₹1,62,771 INR|Avg: ₹71,327 INR
NZ Jewellers
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
November 2, 2026
Retailer 2₹35,950 INR
Retailer 4₹47,835 INR
Retailer 3₹51,916 INR
Retailer 13₹55,902 INR
Retailer 14₹55,902 INR
Retailer 11₹59,888 INR
Retailer 7₹63,729 INR
Retailer 9₹65,538 INR
Retailer 5₹70,708 INR
Retailer 6₹72,380 INR
Retailer 8₹77,233 INR
Retailer 12₹80,128 INR
Retailer 10₹1,19,933 INR
NZ Jewellers₹1,62,771 INR

24 data points across 14 retailers

18 retailers₹35,950 INR to ₹1,62,771 INR

A
Cheapest Retailer
-
₹35,950 INR
B+
Retailer 2
-
₹47,835 INR
$504 USD
View
Final sale: no returns
A
Retailer 3
-
₹51,916 INR
$547 USD
View
Retailer 4
-
₹54,009 INR
SGD 769 SGD
View
Price last confirmed 11 days ago
A
Retailer 5
-
₹55,902 INR
$589 USD
View
A
Retailer 6
-
₹55,902 INR
$589 USD
View
A
Retailer 7
-
₹59,888 INR
$631 USD
View
B+
Retailer 8
-
₹59,888 INR
$631 USD
View
B+
Retailer 9
-
₹63,729 INR
£529 GBP
View
B+
Retailer 10
-
₹65,108 INR
$686 USD
View
B+
Retailer 11
-
₹65,538 INR
£544 GBP
View
B+
Retailer 12
-
₹70,708 INR
$745 USD
View
B+
Retailer 13
-
₹72,380 INR
$763 USD
View
B+
Retailer 14
-
₹77,233 INR
€775 EUR
View
Retailer 15
-
₹78,991 INR
A$1,280 AUD
View
Price last confirmed 29 days ago
B+
Retailer 16
-
₹80,128 INR
ZAR 13,639 ZAR
View
B
Retailer 17
-
₹1,19,933 INR
£995 GBP
View
Most Expensive
B
NZ Jewellers
4eef1496-8124-46e6-a1a6-194cfc9e4067 · Oct 30
₹1,62,771 INR
$1,715 USD
View
17 more retailers have this diamond
Prices start from ₹35,950 INRSave up to ₹1,26,821 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
0.51ct Marquise
₹35,950 INR