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Marquise|Lab Grown|IGI

1.78ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG780664167

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG780664167

Diamond specifications and retailer prices

From ₹1,48,060 INR
$1,560 USD
As of November 2, 2026
Save ₹5,10,616 INR (78%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: ₹6,58,675 INR at With Clarity · As of November 2, 2026
View at With Clarity

About this 1.78ct lab-grown marquise diamond

This 1.78ct lab-grown marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780664167 or 780664167. Listed at 15 retailers as of November 2, 2026, with prices from ₹1,48,060 to ₹6,58,675, a ₹5,10,616 spread on the same certified stone. With Clarity lists it at ₹6,58,675. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.78
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780664167
Dimensions12.28 × 6.30 × 4.02 mm
L/W Ratio1.95
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
12.28 mm6.30 mm1.78 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780664167
Side View
Table 59.0%Crown 35.9°Girdle: Slightly ThickPavilion 40°Culet: NoneDepth 63.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: ₹1,87,179 INR|Low: ₹1,48,060 INR|High: ₹4,52,631 INR|Avg: ₹2,77,320 INR|-1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 2₹1,48,060 INR
Retailer 3₹1,56,886 INR
Retailer 1₹1,87,179 INR
Retailer 11₹1,94,755 INR
Retailer 7₹2,07,682 INR
Retailer 9₹2,30,631 INR
Retailer 8₹2,37,194 INR
Retailer 4₹3,34,501 INR
Retailer 12₹3,73,566 INR
Retailer 6₹3,98,622 INR
Retailer 5₹4,14,522 INR
Retailer 10₹4,51,952 INR

41 data points across 12 retailers

15 retailers₹1,48,060 INR to ₹6,58,675 INR

A
Cheapest Retailer
-
₹1,48,060 INR
$1,560 USD
A
Retailer 2
-
₹1,56,886 INR
$1,653 USD
View
A
Retailer 3
-
₹1,57,930 INR
HK$13,000 HKD
View
A
Retailer 4
-
₹1,87,179 INR
£1,553 GBP
View
B+
Retailer 5
-
₹1,94,755 INR
$2,052 USD
View
B+
Retailer 6
-
₹2,07,682 INR
€2,084 EUR
View
B+
Retailer 7
-
₹2,30,631 INR
$2,430 USD
View
B+
Retailer 8
-
₹2,37,194 INR
ZAR 40,374 ZAR
View
Retailer 9
-
₹3,34,501 INR
$3,524 USD
View
Price last confirmed 9 days ago
B
Retailer 10
-
₹3,73,566 INR
$3,936 USD
View
B
Retailer 11
-
₹3,98,622 INR
$4,200 USD
View
B
Retailer 12
-
₹4,14,522 INR
£3,439 GBP
View
B
Retailer 13
-
₹4,51,869 INR
$4,761 USD
View
Retailer 14
-
₹4,51,952 INR
A$7,326 AUD
View
Price last confirmed 25 days ago
Most Expensive
B
With Clarity
780664167 · Nov 2
₹6,58,675 INR
$6,940 USD
View
14 more retailers have this diamond
Prices start from ₹1,48,060 INRSave up to ₹5,10,616 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
1.78ct Marquise
₹1,48,060 INR