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Marquise|Lab Grown|IGI

1.00ct F SI1 Marquise Lab Grown Diamond

ID • F/SI1 • IGI LG821694324

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG821694324

Diamond specifications and retailer prices

From ₹27,998 INR
$295 USD
As of October 30, 2026
Save ₹32,429 INR (54%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: ₹80,638 INR at MOH London · As of October 18, 2026
View at MOH London

About this 1ct lab-grown marquise diamond

This 1ct lab-grown marquise sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG821694324 or 821694324. Listed at 6 retailers as of October 30, 2026, with a 116% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.00
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821694324
Dimensions10.30 × 5.30 × 3.29 mm
L/W Ratio1.94
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.30 mm5.30 mm1.00 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821694324
Side View
Table 61.0%Crown 35.5°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.1%

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: Oct 30
Current: ₹80,638 INR|Low: ₹27,998 INR|High: ₹80,638 INR|Avg: ₹43,997 INR|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 5₹27,998 INR
Retailer 2₹29,620 INR
Retailer 4₹31,795 INR
Retailer 3₹32,592 INR
Retailer 6₹60,427 INR
MOH London₹80,638 INR

26 data points across 6 retailers

6 retailers₹27,998 INR to ₹60,427 INR

A
Cheapest Retailer
-
₹27,998 INR
$295 USD
A
Retailer 2
-
₹29,620 INR
£246 GBP
View
A
Retailer 3
-
₹31,795 INR
$335 USD
View
A
Retailer 4
-
₹32,592 INR
£270 GBP
View
B
Retailer 5
-
₹60,427 INR
$637 USD
View
Most Expensive
MOH London
LG821694324 · Oct 18
₹80,638 INR
£669 GBP
View
Price last confirmed 15 days ago
5 more retailers have this diamond
Prices start from ₹27,998 INRSave up to ₹32,429 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
1.00ct Marquise
₹27,998 INR