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Radiant|Lab Grown|IGI

1.21ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG700513951

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

Certificate IGI LG700513951

Diamond specifications and retailer prices

From ₹20,699 INR
$218 USD
As of October 30, 2026
Save ₹1,59,706 INR (89%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: ₹1,80,405 INR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.21ct lab-grown radiant diamond

This 1.21ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG700513951 or 700513951. Listed at 28 retailers as of October 30, 2026, with prices from ₹20,699 to ₹1,80,405, a ₹1,59,706 spread on the same certified stone. Brilliant Earth lists it at ₹1,80,405. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.7°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG700513951
Dimensions7.43 × 5.37 × 3.56 mm
L/W Ratio1.38
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
7.43 mm5.37 mm1.21 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG700513951
Side View
Table 62.0%Crown 41.7°Girdle: MED-STKPavilion 34.1°Culet: NoneDepth 66.3%

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: Oct 30
Current: ₹1,80,405 INR|Low: ₹20,699 INR|High: ₹1,80,405 INR|Avg: ₹67,800 INR
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
November 1, 2026
Retailer 3₹20,699 INR
Retailer 2₹23,643 INR
Retailer 5₹30,384 INR
Retailer 4₹36,271 INR
Retailer 9₹43,269 INR
Retailer 11₹44,145 INR
Retailer 8₹47,720 INR
Retailer 6₹48,709 INR
Retailer 12₹62,828 INR
Retailer 7₹73,586 INR
Retailer 15₹82,891 INR
Retailer 10₹98,439 INR
Retailer 13₹1,03,101 INR
Retailer 14₹1,39,102 INR
Brilliant Earth₹1,80,405 INR

43 data points across 15 retailers

28 retailers₹20,699 INR to ₹1,80,405 INR

A
Cheapest Retailer
-
₹20,699 INR
$218 USD
Retailer 2
-
₹20,699 INR
$218 USD
View
Price last confirmed 24 days ago
Retailer 3
-
₹20,699 INR
$218 USD
View
Price last confirmed 32 days ago
A
Retailer 4
-
₹23,643 INR
$249 USD
View
Final sale: no returns
Retailer 5
-
₹24,022 INR
$253 USD
View
Price last confirmed 35 days ago
Retailer 6
-
₹25,352 INR
$267 USD
View
Price last confirmed 33 days ago
Retailer 7
-
₹25,731 INR
$271 USD
View
Price last confirmed 29 days ago
A
Retailer 8
-
₹30,384 INR
HK$2,500 HKD
View
A
Retailer 9
-
₹36,271 INR
$382 USD
View
A
Retailer 10
-
₹43,269 INR
€434 EUR
View
A
Retailer 11
-
₹44,145 INR
ZAR 7,511 ZAR
View
A
Retailer 12
-
₹47,720 INR
£396 GBP
View
A
Retailer 13
-
₹48,709 INR
$513 USD
View
A
Retailer 14
-
₹55,607 INR
$586 USD
View
A
Retailer 15
-
₹62,828 INR
A$1,018 AUD
View
B+
Retailer 16
-
₹73,586 INR
$775 USD
View
B+
Retailer 17
-
₹82,607 INR
$870 USD
View
Retailer 18
-
₹82,607 INR
$870 USD
View
Price last confirmed 31 days ago
Retailer 19
-
₹82,607 INR
$870 USD
View
Price last confirmed 22 days ago
B+
Retailer 20
-
₹82,891 INR
$873 USD
View
B+
Retailer 21
-
₹87,196 INR
SGD 1,241 SGD
View
B+
Retailer 22
-
₹87,622 INR
$923 USD
View
B+
Retailer 23
-
₹93,241 INR
$982 USD
View
B+
Retailer 24
-
₹98,439 INR
A$1,595 AUD
View
B+
Retailer 25
-
₹1,03,101 INR
£855 GBP
View
B
Retailer 26
-
₹1,18,864 INR
$1,252 USD
View
Retailer 27
-
₹1,39,102 INR
$1,465 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
14915357A · Oct 31
₹1,80,405 INR
$1,900 USD
View
27 more retailers have this diamond
Prices start from ₹20,699 INRSave up to ₹1,59,706 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
1.21ct Radiant
₹20,699 INR