Radiant|Lab Grown|IGI

1.21ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG786693953

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

Certificate IGI LG786693953

Diamond specifications and retailer prices

From ₹13,103 INR

$138 USD

As of November 2, 2026

Save ₹62,625 INR (83%) vs most expensive(unlock to see where)

18 retailers carry this diamond

Most expensive: ₹75,728 INR at MOH London · As of November 1, 2026

View at MOH London

About this 1.21ct lab-grown radiant diamond

This 1.21ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG786693953 or 786693953. Listed at 18 retailers as of November 1, 2026, with prices from ₹13,103 to ₹75,728, a ₹62,625 spread on the same certified stone. MOH London lists it at ₹75,728. 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

1.21

Carat

Colour

SI1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle41.5°

Pavilion angle34.9°

OriginLab Grown

Grading LabIGI

CertificateIGI LG786693953

Dimensions7.40 × 5.30 × 3.57 mm

L/W Ratio1.40

Culet sizePointed

Cert comments

This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG786693953

Side View

Caratlytics Score

How it works →

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: ₹75,728 INR|Low: ₹12,533 INR|High: ₹1,13,940 INR|Avg: ₹38,979 INR|-0.2%

MOH London

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

Retailer 13

Retailer 14

November 2, 2026

Retailer 11₹13,103 INR

Retailer 3₹15,192 INR

Retailer 4₹16,236 INR

Retailer 13₹16,236 INR

Retailer 6₹22,028 INR

Retailer 2₹27,598 INR

Retailer 7₹28,314 INR

Retailer 10₹31,583 INR

Retailer 8₹38,265 INR

Retailer 5₹40,259 INR

Retailer 14₹52,128 INR

Retailer 12₹65,990 INR

Retailer 9₹74,061 INR

MOH London₹75,728 INR

45 data points across 14 retailers

18 retailers₹13,103 INR to ₹75,728 INR

Cheapest Retailer

₹13,103 INR

$138 USD

Retailer 2

₹15,192 INR

$160 USD

View

Retailer 3

₹16,236 INR

$171 USD

View

Price last confirmed 8 days ago

Retailer 4

₹16,236 INR

$171 USD

View

Retailer 5

₹19,446 INR

HK$1,600 HKD

View

B+

Retailer 6

₹22,028 INR

$232 USD

View

Retailer 7

₹27,598 INR

£229 GBP

View

Retailer 8

₹28,314 INR

€284 EUR

View

Retailer 9

₹31,583 INR

£262 GBP

View

Retailer 10

₹38,265 INR

$403 USD

View

Retailer 11

₹40,259 INR

$424 USD

View

Retailer 12

₹40,639 INR

$428 USD

View

B+

Retailer 13

₹52,128 INR

$549 USD

View

B+

Retailer 14

₹54,665 INR

SGD 778 SGD

View

B+

Retailer 15

₹57,392 INR

$604 USD

View

Retailer 16

₹65,990 INR

$695 USD

View

Price last confirmed 28 days ago

Retailer 17

₹74,061 INR

$780 USD

View

Most Expensive

MOH London

LG786693953 · Nov 1

₹75,728 INR

£628 GBP

View

17 more retailers have this diamond

Prices start from ₹13,103 INRSave up to ₹62,625 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.

Similar diamonds

1.21ct Radiant

₹13,103 INR