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Marquise|Natural|GIA

0.51ct I SI2 Marquise Natural Diamond

EX • I/SI2 • GIA 6551764597

Certificate GIA 6551764597

Diamond specifications and retailer prices

From ₹50,999 INR
As of November 3, 2026
Save ₹1,08,947 INR (68%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: ₹1,59,946 INR at NZ Jewellers · As of November 3, 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6551764597. Listed at 6 retailers as of November 3, 2026, with prices from ₹50,999 to ₹1,59,946, a ₹1,08,947 spread on the same certified stone. NZ Jewellers lists it at ₹1,59,946. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551764597
Dimensions7.98 × 3.83 × 2.38 mm
L/W Ratio2.08
Girdle conditionThick
Key to symbols
Twinning Wisp
Top View
7.98 mm3.83 mm0.51 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6551764597
Side View
Table 61.0%CrownGirdlePavilionCulet: NoneDepth 62.2%

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 3
Current: ₹1,59,946 INR|Low: ₹50,999 INR|High: ₹1,63,796 INR|Avg: ₹88,068 INR|-2.4%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 4₹50,999 INR
Retailer 6₹54,943 INR
Retailer 2₹60,860 INR
Retailer 5₹67,059 INR
Retailer 3₹1,17,682 INR
NZ Jewellers₹1,59,946 INR

28 data points across 6 retailers

6 retailers₹50,999 INR to ₹1,59,946 INR

A
Cheapest Retailer
-
₹50,999 INR
A
Retailer 2
-
₹54,943 INR
View
A
Retailer 3
-
₹60,860 INR
View
B+
Retailer 4
-
₹67,059 INR
View
B
Retailer 5
-
₹1,17,682 INR
View
Most Expensive
B
NZ Jewellers
c3f34689-ff0b-44b5-8d2f-fa347761345c · Nov 3
₹1,59,946 INR
$1,703 USD
View
5 more retailers have this diamond
Prices start from ₹50,999 INRSave up to ₹1,08,947 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
₹50,999 INR