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Marquise|Lab Grown|IGI

1.78ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG818655859

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG818655859

Diamond specifications and retailer prices

From ₹1,56,886 INR
$1,653 USD
As of November 2, 2026
Save ₹5,01,789 INR (76%) vs most expensive(unlock to see where)
14 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 LG818655859 or 818655859. Listed at 14 retailers as of November 2, 2026, with prices from ₹1,56,886 to ₹6,58,675, a ₹5,01,789 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818655859
Dimensions12.21 × 6.24 × 4.04 mm
L/W Ratio1.96
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
12.21 mm6.24 mm1.78 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818655859
Side View
Table 58.0%Crown 37°Girdle: Slightly ThickPavilion 40°Culet: NoneDepth 64.7%

Caratlytics Score

How it works →
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 2
Current: ₹1,87,179 INR|Low: ₹1,56,791 INR|High: ₹6,45,483 INR|Avg: ₹3,13,236 INR|-1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
With Clarity
November 2, 2026
Retailer 2₹1,56,886 INR
Retailer 3₹1,57,930 INR
Retailer 1₹1,87,179 INR
Retailer 11₹1,94,755 INR
Retailer 7₹2,07,682 INR
Retailer 10₹2,30,631 INR
Retailer 8₹2,37,194 INR
Retailer 12₹3,73,566 INR
Retailer 6₹3,98,622 INR
Retailer 9₹4,15,125 INR
Retailer 5₹4,45,844 INR
Retailer 4₹4,51,869 INR
With Clarity₹6,45,483 INR

43 data points across 13 retailers

14 retailers₹1,56,886 INR to ₹6,58,675 INR

A
Cheapest Retailer
-
₹1,56,886 INR
$1,653 USD
A
Retailer 2
-
₹1,57,930 INR
HK$13,000 HKD
View
A
Retailer 3
-
₹1,68,940 INR
$1,780 USD
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
B+
Retailer 9
-
₹3,73,566 INR
$3,936 USD
View
B+
Retailer 10
-
₹3,98,622 INR
$4,200 USD
View
B+
Retailer 11
-
₹4,15,125 INR
£3,444 GBP
View
B
Retailer 12
-
₹4,45,844 INR
A$7,227 AUD
View
B
Retailer 13
-
₹4,51,869 INR
$4,761 USD
View
Most Expensive
B
With Clarity
818655859 · Nov 2
₹6,58,675 INR
$6,940 USD
View
13 more retailers have this diamond
Prices start from ₹1,56,886 INRSave up to ₹5,01,789 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
₹1,56,886 INR