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Radiant|Lab Grown|IGI

2.78ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG743563466

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

Certificate IGI LG743563466

Diamond specifications and retailer prices

From ₹3,83,397 INR
$4,038 USD
As of November 1, 2026
Save ₹3,36,324 INR (47%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: ₹7,19,721 INR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 2.78ct lab-grown radiant diamond

This 2.78ct lab-grown radiant sits in the two to three carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG743563466 or 743563466. Listed at 4 retailers as of October 31, 2026, with prices from ₹3,83,397 to ₹7,19,721, a ₹3,36,324 spread on the same certified stone. Brilliant Earth lists it at ₹7,19,721. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

2.78
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.5°
Pavilion angle36.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743563466
Dimensions10.24 × 6.98 × 4.47 mm
L/W Ratio1.47
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
10.24 mm6.98 mm2.78 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743563466
Side View
Table 65.0%Crown 40.5°Girdle: MediumPavilion 36.4°Culet: NoneDepth 64.0%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 1
Current: ₹7,19,721 INR|Low: ₹2,42,123 INR|High: ₹13,95,290 INR|Avg: ₹7,03,714 INR|-33.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 4₹2,42,123 INR
Retailer 3₹3,83,397 INR
Retailer 2₹4,95,639 INR
Retailer 5₹5,45,046 INR
Retailer 7₹7,00,161 INR
Brilliant Earth₹7,19,721 INR
Retailer 6₹13,95,290 INR

15 data points across 7 retailers

4 retailers₹3,83,397 INR to ₹7,19,721 INR

Retailer 1
-
₹2,42,123 INR
$2,550 USD
Price last confirmed 19 days ago
B+
Retailer 2
-
₹3,83,397 INR
$4,038 USD
View
Retailer 3
-
₹4,95,639 INR
$5,220 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
21415797Y · Oct 31
₹7,19,721 INR
$7,580 USD
View
3 more retailers have this diamond
Prices start from ₹3,83,397 INRSave up to ₹3,36,324 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.

B+
2.78ct Radiant
₹3,83,397 INR