Round|Lab Grown|IGI

8.18ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG605381441

Shape and cutting style on the report: Round brilliant

Certificate IGI LG605381441

Diamond specifications and retailer prices

From ₹1,61,035 INR

$1,696 USD

As of November 1, 2026

Save ₹3,43,149 INR (68%) vs most expensive(unlock to see where)

14 retailers carry this diamond

Most expensive: ₹5,04,185 INR at Brilliant Earth · As of October 31, 2026

View at Brilliant Earth

About this 8.18ct lab-grown round diamond

This 8.18ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG605381441 or 605381441. Listed at 14 retailers as of October 31, 2026, with prices from ₹1,61,035 to ₹5,04,185, a ₹3,43,149 spread on the same certified stone. Brilliant Earth lists it at ₹5,04,185. 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

8.18

Carat

Colour

SI1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle35.5°

Pavilion angle40.9°

OriginLab Grown

Grading LabIGI

CertificateIGI LG605381441

Dimensions12.90 × 12.85 × 7.98 mm

L/W Ratio1.00

Girdle conditionFaceted

Culet sizePointed

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG605381441

Side View

Caratlytics Score

How it works →

B+

Very Good

Strong quality and value balance

Unlock full score analysis

See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1

Current: ₹5,04,185 INR|Low: ₹1,09,193 INR|High: ₹5,20,326 INR|Avg: ₹2,45,617 INR|-3.1%

Brilliant Earth

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

November 1, 2026

Retailer 3₹1,09,193 INR

Retailer 8₹1,10,967 INR

Retailer 10₹1,61,035 INR

Retailer 4₹1,67,836 INR

Retailer 9₹1,74,423 INR

Retailer 6₹1,74,708 INR

Retailer 5₹1,78,359 INR

Retailer 7₹2,35,286 INR

Retailer 2₹3,70,201 INR

Retailer 11₹4,35,061 INR

Brilliant Earth₹5,04,185 INR

36 data points across 11 retailers

14 retailers₹1,61,035 INR to ₹5,04,185 INR

Retailer 1

₹94,095 INR

$991 USD

Price last confirmed 39 days ago

Retailer 2

₹1,02,356 INR

$1,078 USD

View

Price last confirmed 39 days ago

Retailer 3

₹1,07,673 INR

$1,134 USD

View

Price last confirmed 35 days ago

Retailer 4

₹1,10,967 INR

£920 GBP

View

Price last confirmed 16 days ago

B+

Retailer 5

₹1,61,035 INR

$1,696 USD

View

B+

Retailer 6

₹1,67,836 INR

£1,392 GBP

View

B+

Retailer 7

₹1,74,423 INR

$1,837 USD

View

B+

Retailer 8

₹1,74,708 INR

$1,840 USD

View

B+

Retailer 9

₹1,78,359 INR

€1,789 EUR

View

Retailer 10

₹2,04,617 INR

$2,155 USD

View

Price last confirmed 36 days ago

B+

Retailer 11

₹2,35,286 INR

$2,478 USD

View

Retailer 12

₹3,70,201 INR

£3,070 GBP

View

Retailer 13

₹4,35,061 INR

$4,582 USD

View

Most Expensive

Brilliant Earth

8497740A · Oct 31

₹5,04,185 INR

$5,310 USD

View

13 more retailers have this diamond

Prices start from ₹1,61,035 INRSave up to ₹3,43,149 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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B+

8.18ct Round

₹1,61,035 INR