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Marquise|Lab Grown|IGI

1.78ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG754563659

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754563659

Diamond specifications and retailer prices

From ₹1,00,837 INR
$1,062 USD
As of November 2, 2026
Save ₹3,87,206 INR (79%) vs most expensive(unlock to see where)
34 retailers carry this diamond
Most expensive: ₹8,95,379 INR at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

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 LG754563659 or 754563659. Listed at 34 retailers as of October 31, 2026, with a 384% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle35.3°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754563659
Dimensions12.56 × 6.36 × 3.83 mm
L/W Ratio1.97
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
12.56 mm6.36 mm1.78 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754563659
Side View
Table 63.0%Crown 35.3°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 60.2%

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 2
Current: ₹8,95,379 INR|Low: ₹1,00,837 INR|High: ₹8,95,379 INR|Avg: ₹2,65,800 INR
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
November 2, 2026
Retailer 7₹1,00,837 INR
Retailer 10₹1,09,667 INR
Retailer 11₹1,15,364 INR
Retailer 16₹1,16,409 INR
Retailer 15₹1,29,322 INR
Retailer 3₹1,33,405 INR
Retailer 14₹1,36,823 INR
Retailer 23₹1,46,673 INR
Retailer 2₹1,87,258 INR
Retailer 8₹1,94,837 INR
Retailer 18₹2,07,770 INR
Retailer 22₹2,14,112 INR
Retailer 4₹2,37,185 INR
Retailer 19₹2,37,294 INR
Retailer 13₹3,21,363 INR
Retailer 21₹3,31,945 INR
Retailer 6₹3,62,519 INR
Retailer 5₹3,70,707 INR
Retailer 20₹4,16,988 INR
Retailer 17₹4,46,711 INR
Retailer 12₹4,75,470 INR
Retailer 9₹4,88,043 INR
Do Amore Diamonds₹8,95,379 INR

44 data points across 23 retailers

34 retailers₹1,00,837 INR to ₹4,88,043 INR

A
Cheapest Retailer
-
₹1,00,837 INR
$1,062 USD
Retailer 2
-
₹1,00,837 INR
$1,062 USD
View
Price last confirmed 25 days ago
Retailer 3
-
₹1,00,837 INR
$1,062 USD
View
Price last confirmed 33 days ago
Retailer 4
-
₹1,09,667 INR
$1,155 USD
View
Price last confirmed 34 days ago
Retailer 5
-
₹1,15,364 INR
$1,215 USD
View
Price last confirmed 34 days ago
A
Retailer 6
-
₹1,16,409 INR
$1,226 USD
View
Retailer 7
-
₹1,16,978 INR
$1,232 USD
View
Price last confirmed 30 days ago
Retailer 8
-
₹1,16,978 INR
$1,232 USD
View
Price last confirmed 22 days ago
A
Retailer 9
-
₹1,29,322 INR
$1,362 USD
View
Final sale: no returns
A
Retailer 10
-
₹1,33,405 INR
$1,405 USD
View
A
Retailer 11
-
₹1,36,823 INR
$1,441 USD
View
Retailer 12
-
₹1,46,673 INR
£1,216 GBP
View
Price last confirmed 16 days ago
A
Retailer 13
-
₹1,64,074 INR
HK$13,500 HKD
View
A
Retailer 14
-
₹1,87,258 INR
£1,553 GBP
View
B+
Retailer 15
-
₹1,94,837 INR
$2,052 USD
View
B+
Retailer 16
-
₹2,07,770 INR
€2,084 EUR
View
B+
Retailer 17
-
₹2,14,112 INR
$2,255 USD
View
B+
Retailer 18
-
₹2,37,185 INR
$2,498 USD
View
B+
Retailer 19
-
₹2,37,294 INR
ZAR 40,374 ZAR
View
Retailer 20
-
₹2,41,933 INR
$2,548 USD
View
Price last confirmed 23 days ago
B+
Retailer 21
-
₹2,41,933 INR
$2,548 USD
View
Retailer 22
-
₹2,41,933 INR
$2,548 USD
View
Price last confirmed 32 days ago
B+
Retailer 23
-
₹3,21,363 INR
A$5,207 AUD
View
B
Retailer 24
-
₹3,31,945 INR
$3,496 USD
View
Retailer 25
-
₹3,34,642 INR
$3,524 USD
View
Price last confirmed 9 days ago
B
Retailer 26
-
₹3,55,971 INR
£2,952 GBP
View
B
Retailer 27
-
₹3,62,519 INR
$3,818 USD
View
B
Retailer 28
-
₹3,70,707 INR
$3,904 USD
View
B
Retailer 29
-
₹4,16,988 INR
£3,458 GBP
View
B
Retailer 30
-
₹4,46,711 INR
A$7,238 AUD
View
B
Retailer 31
-
₹4,58,501 INR
$4,829 USD
View
B
Retailer 32
-
₹4,75,470 INR
SGD 6,767 SGD
View
B
Retailer 33
-
₹4,88,043 INR
$5,140 USD
View
Most Expensive
Do Amore Diamonds
27-5CCC7A6A6 · Nov 2
₹8,95,379 INR
$9,430 USD
View
Price under review
33 more retailers have this diamond
Prices start from ₹1,00,837 INRSave up to ₹3,87,206 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
₹1,00,837 INR