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Marquise|Lab Grown|IGI

1.21ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG811609663

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG811609663

Diamond specifications and retailer prices

From ₹40,052 INR
$422 USD
As of November 1, 2026
Save ₹79,760 INR (67%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: ₹1,49,958 INR at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 1.21ct lab-grown marquise diamond

This 1.21ct lab-grown marquise sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG811609663 or 811609663. Listed at 9 retailers as of October 29, 2026, with a 199% 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

1.21
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811609663
Dimensions10.54 × 5.62 × 3.47 mm
L/W Ratio1.88
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
10.54 mm5.62 mm1.21 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811609663
Side View
Table 60.0%Crown 37.2°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 61.7%

Caratlytics Score

How it works →
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 1
Current: ₹1,49,958 INR|Low: ₹38,875 INR|High: ₹2,37,214 INR|Avg: ₹85,231 INR|+0.1%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 9₹38,875 INR
Retailer 8₹40,052 INR
Retailer 4₹51,024 INR
Retailer 6₹53,624 INR
Retailer 2₹56,192 INR
Retailer 5₹74,694 INR
Retailer 7₹1,00,494 INR
Retailer 3₹1,19,812 INR
Rare Carat₹1,49,958 INR

38 data points across 9 retailers

9 retailers₹40,052 INR to ₹1,19,812 INR

Retailer 1
-
₹38,875 INR
HK$3,200 HKD
Price last confirmed 60 days ago
A
Retailer 2
-
₹40,052 INR
$422 USD
View
A
Retailer 3
-
₹51,024 INR
€512 EUR
View
A
Retailer 4
-
₹53,624 INR
$565 USD
View
A
Retailer 5
-
₹56,192 INR
£466 GBP
View
B+
Retailer 6
-
₹74,694 INR
$787 USD
View
B+
Retailer 7
-
₹1,00,494 INR
$1,059 USD
View
B+
Retailer 8
-
₹1,19,812 INR
£994 GBP
View
Most Expensive
Rare Carat
NJ27 76A · Oct 21
₹1,49,958 INR
$1,580 USD
View
Price last confirmed 12 days ago
8 more retailers have this diamond
Prices start from ₹40,052 INRSave up to ₹79,760 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
1.21ct Marquise
₹40,052 INR