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Marquise|Natural|GIA

0.51ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 3555975462

Certificate GIA 3555975462

Diamond specifications and retailer prices

From ₹40,337 INR
$425 USD
As of November 2, 2026
Save ₹1,31,261 INR (76%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: ₹1,71,597 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 3555975462. Listed at 12 retailers as of October 30, 2026, with prices from ₹40,337 to ₹1,71,597, a ₹1,31,261 spread on the same certified stone. NZ Jewellers lists it at ₹1,71,597. 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 3555975462
Dimensions4.06 × 9.29 × 2.43 mm
L/W Ratio2.29
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal
Top View
4.06 mm9.29 mm0.51 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 3555975462
Side View
Table 63.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 59.9%

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: ₹1,71,597 INR|Low: ₹39,577 INR|High: ₹1,83,366 INR|Avg: ₹63,502 INR|-6.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 8₹40,337 INR
Retailer 9₹43,754 INR
Retailer 2₹47,075 INR
Retailer 3₹48,214 INR
Retailer 12₹48,882 INR
Retailer 5₹50,492 INR
Retailer 10₹50,492 INR
Retailer 11₹51,251 INR
Retailer 6₹53,686 INR
Retailer 7₹54,472 INR
Retailer 4₹71,922 INR
NZ Jewellers₹1,71,597 INR

35 data points across 12 retailers

12 retailers₹40,337 INR to ₹1,71,597 INR

A
Cheapest Retailer
-
₹40,337 INR
$425 USD
Final sale: no returns
A
Retailer 2
-
₹43,754 INR
$461 USD
View
A
Retailer 3
-
₹47,075 INR
$496 USD
View
A
Retailer 4
-
₹48,214 INR
$508 USD
View
A
Retailer 5
-
₹48,882 INR
SGD 696 SGD
View
A
Retailer 6
-
₹50,492 INR
$532 USD
View
A
Retailer 7
-
₹50,492 INR
$532 USD
View
A
Retailer 8
-
₹51,251 INR
$540 USD
View
A
Retailer 9
-
₹53,686 INR
£445 GBP
View
A
Retailer 10
-
₹54,472 INR
£452 GBP
View
Retailer 11
-
₹71,922 INR
A$1,166 AUD
View
Price last confirmed 30 days ago
Most Expensive
B
NZ Jewellers
88376718-b8b2-4f68-9965-981372ec3c26 · Oct 30
₹1,71,597 INR
$1,808 USD
View
11 more retailers have this diamond
Prices start from ₹40,337 INRSave up to ₹1,31,261 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
₹40,337 INR