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Round|Lab Grown|IGI

1.51ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG818644680

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818644680

Diamond specifications and retailer prices

From ₹31,036 INR
$327 USD
As of November 1, 2026
Save ₹2,39,458 INR (89%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: ₹2,70,494 INR at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.51ct lab-grown round diamond

This 1.51ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818644680 or 818644680. Listed at 23 retailers as of November 1, 2026, with prices from ₹31,036 to ₹2,70,494, a ₹2,39,458 spread on the same certified stone. Brilliant Earth lists it at ₹2,70,494. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818644680
Dimensions7.34 × 7.37 × 4.48 mm
L/W Ratio1.00
Girdle conditionFaceted
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
7.34 mm7.37 mm1.51 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818644680
Side View
Table 60.0%Crown 35.3°Girdle: MediumPavilion 40.5°Culet: NoneDepth 60.9%

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 1
Current: ₹2,70,494 INR|Low: ₹29,802 INR|High: ₹3,17,949 INR|Avg: ₹1,00,201 INR|-14.9%
Brilliant Earth
Retailer 2
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Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 3, 2026
Retailer 3₹31,036 INR
Retailer 5₹38,439 INR
Retailer 4₹51,726 INR
Retailer 13₹53,150 INR
Retailer 9₹54,550 INR
Retailer 8₹61,587 INR
Retailer 10₹66,287 INR
Retailer 2₹67,982 INR
Retailer 12₹89,576 INR
Retailer 7₹96,239 INR
Retailer 6₹1,45,212 INR
Retailer 11₹1,54,045 INR
Retailer 14₹1,84,125 INR
Brilliant Earth₹2,70,494 INR

34 data points across 14 retailers

23 retailers₹31,036 INR to ₹2,70,494 INR

A
Cheapest Retailer
-
₹31,036 INR
$327 USD
A
Retailer 2
-
₹34,737 INR
$366 USD
View
Final sale: no returns
A
Retailer 3
-
₹35,971 INR
$379 USD
View
A
Retailer 4
-
₹38,439 INR
$405 USD
View
Retailer 5
-
₹38,439 INR
$405 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
₹42,520 INR
HK$3,500 HKD
View
A
Retailer 7
-
₹51,726 INR
$545 USD
View
A
Retailer 8
-
₹53,150 INR
$560 USD
View
A
Retailer 9
-
₹54,550 INR
£453 GBP
View
A
Retailer 10
-
₹61,587 INR
€618 EUR
View
A
Retailer 11
-
₹66,287 INR
ZAR 11,283 ZAR
View
A
Retailer 12
-
₹67,982 INR
£564 GBP
View
B+
Retailer 13
-
₹82,002 INR
$864 USD
View
B+
Retailer 14
-
₹89,576 INR
A$1,452 AUD
View
B+
Retailer 15
-
₹96,239 INR
$1,014 USD
View
B+
Retailer 16
-
₹1,22,054 INR
$1,286 USD
View
B
Retailer 17
-
₹1,23,049 INR
SGD 1,752 SGD
View
B
Retailer 18
-
₹1,23,573 INR
$1,302 USD
View
B
Retailer 19
-
₹1,27,788 INR
$1,346 USD
View
B
Retailer 20
-
₹1,45,212 INR
$1,530 USD
View
B+
Retailer 21
-
₹1,54,045 INR
£1,278 GBP
View
Retailer 22
-
₹1,84,125 INR
$1,940 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
21133635A · Nov 2
₹2,70,494 INR
$2,850 USD
View
22 more retailers have this diamond
Prices start from ₹31,036 INRSave up to ₹2,39,458 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
1.51ct Round
₹31,036 INR