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Round|Lab Grown|IGI

1.28ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG668433294

Shape and cutting style on the report: Round brilliant

Certificate IGI LG668433294

Diamond specifications and retailer prices

From ₹22,259 INR
As of November 5, 2026
Save ₹1,33,648 INR (86%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: ₹1,55,907 INR at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

About this 1.28ct lab-grown round diamond

This 1.28ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG668433294 or 668433294. Listed at 23 retailers as of November 5, 2026, with prices from ₹22,259 to ₹1,55,907, a ₹1,33,648 spread on the same certified stone. Brilliant Earth lists it at ₹1,55,907. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG668433294
Dimensions6.94 × 6.98 × 4.32 mm
L/W Ratio1.01
Girdle conditionFaceted
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
6.94 mm6.98 mm1.28 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG668433294
Side View
Table 57.0%Crown 35.4°Girdle: MediumPavilion 41.1°Culet: NoneDepth 62.1%

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 5
Current: ₹1,55,907 INR|Low: ₹21,320 INR|High: ₹1,79,387 INR|Avg: ₹63,091 INR|-13.1%
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
November 6, 2026
Retailer 12₹22,259 INR
Retailer 5₹24,889 INR
Retailer 3₹27,612 INR
Retailer 13₹37,098 INR
Retailer 11₹47,524 INR
Retailer 2₹49,590 INR
Retailer 4₹50,341 INR
Retailer 6₹51,186 INR
Retailer 10₹67,435 INR
Retailer 9₹88,942 INR
Retailer 8₹1,03,312 INR
Retailer 7₹1,10,168 INR
Brilliant Earth₹1,55,907 INR

44 data points across 13 retailers

23 retailers₹22,259 INR to ₹1,55,907 INR

A
Cheapest Retailer
-
₹22,259 INR
A
Retailer 2
-
₹24,889 INR
View
Final sale: no returns
A
Retailer 3
-
₹25,828 INR
View
Retailer 4
-
₹27,612 INR
View
Price last confirmed 12 days ago
A
Retailer 5
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₹27,612 INR
View
A
Retailer 6
-
₹31,181 INR
View
A
Retailer 7
-
₹37,098 INR
View
A
Retailer 8
-
₹47,524 INR
View
A
Retailer 9
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₹49,590 INR
View
A
Retailer 10
-
₹50,341 INR
View
A
Retailer 11
-
₹51,186 INR
View
B+
Retailer 12
-
₹65,838 INR
View
B+
Retailer 13
-
₹67,435 INR
View
B+
Retailer 14
-
₹73,352 INR
View
B+
Retailer 15
-
₹88,660 INR
View
B+
Retailer 16
-
₹88,942 INR
View
B+
Retailer 17
-
₹88,942 INR
View
B+
Retailer 18
-
₹93,450 INR
View
B+
Retailer 19
-
₹95,798 INR
View
B
Retailer 20
-
₹1,03,312 INR
View
B+
Retailer 21
-
₹1,10,168 INR
View
B
Retailer 22
-
₹1,53,090 INR
View
Most Expensive
B
Brilliant Earth
15028331A · Nov 5
₹1,55,907 INR
$1,660 USD
View
22 more retailers have this diamond
Prices start from ₹22,259 INRSave up to ₹1,33,648 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
1.28ct Round
₹22,259 INR