Radiant|Lab Grown|IGI

1.57ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG771654551

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG771654551

Diamond specifications and retailer prices

From ₹30,289 INR

$319 USD

As of October 30, 2026

Save ₹2,48,864 INR (89%) vs most expensive(unlock to see where)

29 retailers carry this diamond

Most expensive: ₹4,31,073 INR at Brilliant Earth · As of October 24, 2026

View at Brilliant Earth

About this 1.57ct lab-grown radiant diamond

This 1.57ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG771654551 or 771654551. Listed at 29 retailers as of October 30, 2026, with a 822% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57

Carat

Colour

Clarity

Excellent

Cut

Specifications

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle38.4°

Pavilion angle34.9°

OriginLab Grown

Grading LabIGI

CertificateIGI LG771654551

Dimensions8.56 × 5.75 × 3.74 mm

L/W Ratio1.49

Culet sizePointed

Cert comments

As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutExcellent

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG771654551

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: Oct 30

Current: ₹2,79,153 INR|Low: ₹29,909 INR|High: ₹4,31,073 INR|Avg: ₹1,05,024 INR|-35.2%

Brilliant Earth

Retailer 2

Retailer 3

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Retailer 26

October 31, 2026

Retailer 17₹29,909 INR

Retailer 9₹30,289 INR

Retailer 7₹33,612 INR

Retailer 11₹33,612 INR

Retailer 16₹34,752 INR

Retailer 20₹39,384 INR

Retailer 8₹47,399 INR

Retailer 25₹48,425 INR

Retailer 13₹49,089 INR

Retailer 26₹58,584 INR

Retailer 24₹63,805 INR

Retailer 21₹66,197 INR

Retailer 2₹71,383 INR

Retailer 6₹80,233 INR

Retailer 22₹86,528 INR

Retailer 4₹1,03,306 INR

Retailer 10₹1,19,352 INR

Retailer 19₹1,23,722 INR

Retailer 5₹1,29,417 INR

Retailer 15₹1,38,067 INR

Retailer 14₹1,38,972 INR

Retailer 18₹1,44,704 INR

Retailer 12₹1,49,045 INR

Retailer 23₹2,34,052 INR

Retailer 3₹2,41,173 INR

Brilliant Earth₹2,79,153 INR

26 data points across 26 retailers

29 retailers₹30,289 INR to ₹2,79,153 INR

Retailer 1

₹29,909 INR

$315 USD

Price last confirmed 10 days ago

Retailer 2

₹30,289 INR

$319 USD

View

Final sale: no returns

Retailer 3

₹33,612 INR

$354 USD

View

Retailer 4

₹33,612 INR

$354 USD

View

Retailer 5

₹34,752 INR

$366 USD

View

Price last confirmed 11 days ago

Retailer 6

₹39,384 INR

£327 GBP

View

Retailer 7

₹47,399 INR

HK$3,900 HKD

View

Retailer 8

₹48,425 INR

$510 USD

View

Retailer 9

₹49,089 INR

$517 USD

View

Retailer 10

₹58,584 INR

$617 USD

View

Retailer 11

₹63,805 INR

ZAR 10,856 ZAR

View

Retailer 12

₹66,197 INR

£549 GBP

View

Retailer 13

₹71,383 INR

€716 EUR

View

Retailer 14

₹80,233 INR

$845 USD

View

Retailer 15

₹86,528 INR

A$1,402 AUD

View

Retailer 16

₹1,03,306 INR

$1,088 USD

View

B+

Retailer 17

₹1,19,352 INR

$1,257 USD

View

B+

Retailer 18

₹1,23,722 INR

$1,303 USD

View

B+

Retailer 19

₹1,26,473 INR

$1,332 USD

View

B+

Retailer 20

₹1,29,417 INR

$1,363 USD

View

B+

Retailer 21

₹1,38,067 INR

SGD 1,965 SGD

View

B+

Retailer 22

₹1,38,972 INR

$1,464 USD

View

Retailer 23

₹1,44,704 INR

£1,200 GBP

View

Price last confirmed 10 days ago

B+

Retailer 24

₹1,49,045 INR

£1,236 GBP

View

B+

Retailer 25

₹2,34,052 INR

$2,465 USD

View

Retailer 26

₹2,41,173 INR

$2,540 USD

View

Retailer 27

₹2,70,114 INR

£2,240 GBP

View

Retailer 28

₹2,79,153 INR

$2,940 USD

View

Most Expensive

Brilliant Earth

17479782A · Oct 24

₹4,31,073 INR

$4,540 USD

View

Price last confirmed 7 days ago

28 more retailers have this diamond

Prices start from ₹30,289 INRSave up to ₹2,48,864 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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