Marquise|Lab Grown|IGI

3.70ct I SI1 Marquise Lab Grown Diamond

ID • I/SI1 • IGI LG816628432

Shape and cutting style on the report: Hexagonal modified brilliant

Certificate IGI LG816628432

Diamond specifications and retailer prices

From ₹2,52,344 INR
SGD 3,599 SGD
As of November 2, 2026
Save ₹63,168 INR (20%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: ₹3,15,512 INR at MOH London · As of November 3, 2026
View at MOH London

About this 3.7ct lab-grown marquise diamond

This 3.7ct lab-grown marquise sits in the three to five carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG816628432 or 816628432. Listed at 6 retailers as of November 2, 2026, with prices from ₹2,52,344 to ₹3,15,512, a ₹63,168 spread on the same certified stone. MOH London lists it at ₹3,15,512. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.70
Carat
I
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816628432
Dimensions15.21 × 7.68 × 4.96 mm
L/W Ratio1.98
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.21 mm7.68 mm3.70 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816628432
Side View
Table 70.0%Crown 36.5°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 64.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: ₹3,15,512 INR|Low: ₹91,908 INR|High: ₹3,28,869 INR|Avg: ₹1,87,140 INR|-2.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 4₹91,908 INR
Retailer 2₹1,21,474 INR
Retailer 3₹1,21,849 INR
Retailer 6₹1,89,311 INR
Retailer 5₹2,52,344 INR
MOH London₹3,15,512 INR

22 data points across 6 retailers

6 retailers₹2,52,344 INR to ₹3,15,512 INR

Retailer 1
-
₹70,210 INR
$741 USD
Price under review
Retailer 2
-
₹91,908 INR
$970 USD
View
Price under review
Retailer 3
-
₹1,21,474 INR
€1,221 EUR
View
Price under review
Retailer 4
-
₹1,21,849 INR
$1,286 USD
View
Price under review
A
Retailer 5
-
₹2,52,344 INR
SGD 3,599 SGD
View
Most Expensive
A
MOH London
LG816628432 · Nov 3
₹3,15,512 INR
£2,622 GBP
View
5 more retailers have this diamond
Prices start from ₹2,52,344 INRSave up to ₹63,168 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
3.70ct Marquise
₹2,52,344 INR