CaratHunter
Plans
Marquise|Natural|IGI

1.51ct G SI2 Marquise Natural Diamond

ID • G/SI2 • IGI 811

Certificate IGI 811

Diamond specifications and retailer prices

From ₹3,54,642 INR
As of November 4, 2026
Save ₹2,80,915 INR (44%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: ₹6,35,557 INR at Helzberg Diamonds · As of November 6, 2026
View at Helzberg Diamonds

About this 1.51ct natural marquise diamond

This 1.51ct natural marquise sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI. Listed at 3 retailers as of November 4, 2026, with prices from ₹3,54,642 to ₹6,35,557, a ₹2,80,915 spread on the same certified stone. Helzberg Diamonds lists it at ₹6,35,557. 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
G
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabIGI
CertificateIGI 811
Dimensions11.36 × 6.01 × 3.71 mm
L/W Ratio1.89
Top View
11.36 mm6.01 mm1.51 ctG / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 811
Side View
Table 57.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 61.7%

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 4
Current: ₹6,35,557 INR|Low: ₹3,12,190 INR|High: ₹7,54,272 INR|Avg: ₹5,10,119 INR|-11.9%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 5, 2026
Retailer 5₹3,12,190 INR
Retailer 3₹3,54,642 INR
Retailer 2₹3,75,680 INR
Helzberg Diamonds₹6,35,557 INR
Retailer 4₹7,54,272 INR

22 data points across 5 retailers

3 retailers₹3,54,642 INR to ₹6,35,557 INR

A
Cheapest Retailer
-
₹3,54,642 INR
A
Retailer 2
-
₹3,75,680 INR
View
Most Expensive
A
Helzberg Diamonds
ZXZOIKMGKMIN · Nov 6
₹6,35,557 INR
$6,767 USD
View
2 more retailers have this diamond
Prices start from ₹3,54,642 INRSave up to ₹2,80,915 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
₹3,54,642 INR