Cushion|Natural|GIA

1.51ct H SI1 Cushion Natural Diamond

ID • H/SI1 • GIA 6565025664

Certificate GIA 6565025664

Diamond specifications and retailer prices

From ₹2,74,556 INR

HK$22,600 HKD

As of November 1, 2026

Save ₹8,38,549 INR (75%) vs most expensive(unlock to see where)

20 retailers carry this diamond

Most expensive: ₹11,13,104 INR at William & Sons Jewelers · As of November 2, 2026

View at William & Sons Jewelers

About this 1.51ct natural cushion diamond

This 1.51ct natural cushion 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 6565025664. Listed at 20 retailers as of November 1, 2026, with prices from ₹2,74,556 to ₹11,13,104, a ₹8,38,549 spread on the same certified stone. William & Sons Jewelers lists it at ₹11,13,104. 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

Colour

SI1

Clarity

Ideal

Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle33.2°

Pavilion angle35.9°

OriginNatural

Grading LabGIA

CertificateGIA 6565025664

Dimensions6.77 × 6.44 × 4.39 mm

L/W Ratio1.05

Girdle conditionFaceted

Culet sizeNone

View GIA Report →View Loupe360 Video →

Top View

OriginNatural

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateGIA 6565025664

Side View

Caratlytics Score

How it works →

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 1

Current: ₹4,15,212 INR|Low: ₹2,61,857 INR|High: ₹14,00,017 INR|Avg: ₹4,46,594 INR|+13.0%

Retailer 1

Retailer 2

Retailer 3

Retailer 4

Retailer 5

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Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

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Retailer 14

Retailer 15

Retailer 16

Retailer 17

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Retailer 19

William & Sons Jewelers

November 2, 2026

Retailer 15₹2,74,556 INR

Retailer 3₹2,82,357 INR

Retailer 7₹2,82,810 INR

Retailer 13₹2,89,286 INR

Retailer 12₹2,91,943 INR

Retailer 17₹2,97,068 INR

Retailer 10₹3,18,993 INR

Retailer 16₹3,51,357 INR

Retailer 18₹3,71,098 INR

Retailer 19₹3,71,098 INR

Retailer 2₹3,83,436 INR

Retailer 8₹3,88,147 INR

Retailer 1₹4,15,212 INR

Retailer 5₹4,22,539 INR

Retailer 6₹4,27,407 INR

Retailer 14₹4,29,942 INR

Retailer 11₹4,36,931 INR

Retailer 9₹6,11,719 INR

Retailer 4₹10,96,685 INR

William & Sons Jewelers₹11,13,104 INR

26 data points across 20 retailers

20 retailers₹2,74,556 INR to ₹11,13,104 INR

Cheapest Retailer

₹2,74,556 INR

HK$22,600 HKD

Retailer 2

₹2,82,357 INR

$2,975 USD

View

Retailer 3

₹2,89,286 INR

$3,048 USD

View

Retailer 4

₹2,91,943 INR

$3,076 USD

View

Retailer 5

₹2,97,068 INR

$3,130 USD

View

Retailer 6

₹3,18,993 INR

$3,361 USD

View

Price last confirmed 25 days ago

Retailer 7

₹3,41,124 INR

SGD 4,857 SGD

View

Price last confirmed 24 days ago

Retailer 8

₹3,51,357 INR

$3,702 USD

View

Retailer 9

₹3,71,098 INR

$3,910 USD

View

Retailer 10

₹3,71,098 INR

$3,910 USD

View

Retailer 11

₹3,79,640 INR

$4,000 USD

View

Price last confirmed 25 days ago

Retailer 12

₹3,83,436 INR

$4,040 USD

View

Retailer 13

₹3,88,147 INR

A$6,292 AUD

View

Price last confirmed 24 days ago

Retailer 14

₹4,05,190 INR

A$6,568 AUD

View

B+

Retailer 15

₹4,15,212 INR

£3,445 GBP

View

Retailer 16

₹4,29,942 INR

$4,530 USD

View

Retailer 17

₹4,36,931 INR

ZAR 74,372 ZAR

View

Price last confirmed 33 days ago

Retailer 18

₹6,11,719 INR

£5,075 GBP

View

Price last confirmed 25 days ago

Retailer 19

₹10,96,685 INR

$11,555 USD

View

Price last confirmed 9 days ago

Most Expensive

William & Sons Jewelers

cert_6565025664 · Nov 2

₹11,13,104 INR

$11,728 USD

View

Final sale: no returns

19 more retailers have this diamond

Prices start from ₹2,74,556 INRSave up to ₹8,38,549 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.

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1.51ct Cushion

₹2,74,556 INR