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Radiant|Lab Grown|IGI

1.18ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG729590710

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

Certificate IGI LG729590710

Diamond specifications and retailer prices

From ₹18,644 INR
As of November 4, 2026
Save ₹1,39,405 INR (88%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: ₹1,58,049 INR at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.18ct lab-grown radiant diamond

This 1.18ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG729590710 or 729590710. Listed at 21 retailers as of November 4, 2026, with prices from ₹18,644 to ₹1,58,049, a ₹1,39,405 spread on the same certified stone. Brilliant Earth lists it at ₹1,58,049. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.18
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.4°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729590710
Dimensions10.37 × 7.13 × 4.39 mm
L/W Ratio1.45
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
Top View
10.37 mm7.13 mm1.18 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729590710
Side View
Table 65.0%Crown 47.4°Girdle: Slightly ThickPavilion 37.3°Culet: NoneDepth 72.1%

Caratlytics Score

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A
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 4
Current: ₹1,58,049 INR|Low: ₹17,887 INR|High: ₹2,63,099 INR|Avg: ₹61,636 INR|-39.9%
Brilliant Earth
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 5, 2026
Retailer 4₹18,644 INR
Retailer 18₹20,821 INR
Retailer 10₹21,673 INR
Retailer 5₹23,187 INR
Retailer 12₹23,187 INR
Retailer 17₹38,708 INR
Retailer 15₹39,938 INR
Retailer 7₹40,317 INR
Retailer 2₹41,831 INR
Retailer 9₹46,184 INR
Retailer 14₹56,405 INR
Retailer 13₹59,907 INR
Retailer 8₹67,857 INR
Retailer 6₹74,387 INR
Retailer 11₹79,403 INR
Retailer 20₹81,958 INR
Retailer 3₹87,353 INR
Retailer 16₹1,08,174 INR
Retailer 19₹1,29,184 INR
Brilliant Earth₹1,58,049 INR

44 data points across 20 retailers

21 retailers₹18,644 INR to ₹1,58,049 INR

A
Cheapest Retailer
-
₹18,644 INR
A
Retailer 2
-
₹20,821 INR
View
Final sale: no returns
A
Retailer 3
-
₹21,673 INR
View
A
Retailer 4
-
₹23,187 INR
View
Retailer 5
-
₹23,187 INR
View
Price last confirmed 11 days ago
A
Retailer 6
-
₹38,708 INR
View
A
Retailer 7
-
₹39,938 INR
View
A
Retailer 8
-
₹40,317 INR
View
A
Retailer 9
-
₹41,831 INR
View
A
Retailer 10
-
₹46,184 INR
View
A
Retailer 11
-
₹56,405 INR
View
A
Retailer 12
-
₹59,907 INR
View
B+
Retailer 13
-
₹67,857 INR
View
B+
Retailer 14
-
₹74,387 INR
View
B+
Retailer 15
-
₹79,403 INR
View
B+
Retailer 16
-
₹81,958 INR
View
B+
Retailer 17
-
₹86,501 INR
View
B+
Retailer 18
-
₹1,08,174 INR
View
Retailer 19
-
₹1,29,184 INR
View
Price last confirmed 15 days ago
Retailer 20
-
₹1,53,790 INR
View
Most Expensive
B
Brilliant Earth
21417298A · Nov 4
₹1,58,049 INR
$1,670 USD
View
20 more retailers have this diamond
Prices start from ₹18,644 INRSave up to ₹1,39,405 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
1.18ct Radiant
₹18,644 INR