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Marquise|Lab Grown|IGI

0.71ct H SI1 Marquise Lab Grown Diamond

ID • H/SI1 • IGI LG436074394

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG436074394

Diamond specifications and retailer prices

From $601 CAD
$430 USD
As of October 31, 2026
Save $2,442 CAD (80%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,043 CAD at MOH London · As of November 1, 2026
View at MOH London

About this 0.71ct lab-grown marquise diamond

This 0.71ct lab-grown marquise sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436074394 or 436074394. Listed at 12 retailers as of October 31, 2026, with prices from $601 to $3,043, a $2,442 spread on the same certified stone. MOH London lists it at $3,043. 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

0.71
Carat
H
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle32.4°
Pavilion angle41.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436074394
Dimensions8.72 × 4.84 × 3.07 mm
L/W Ratio1.80
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
8.72 mm4.84 mm0.71 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG436074394
Side View
Table 56.0%Crown 32.4°Girdle: THN-MEDPavilion 41.7°Culet: NoneDepth 63.4%

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 31
Current: $3,043 CAD|Low: $601 CAD|High: $3,328 CAD|Avg: $1,522 CAD|-1.1%
MOH London
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
November 1, 2026
Retailer 2$601 CAD
Retailer 11$668 CAD
Retailer 3$747 CAD
Retailer 15$749 CAD
Retailer 8$801 CAD
Retailer 12$828 CAD
Retailer 16$828 CAD
Retailer 5$1,027 CAD
Retailer 14$1,294 CAD
Retailer 9$1,389 CAD
Retailer 6$1,402 CAD
Retailer 10$2,227 CAD
Retailer 13$2,662 CAD
Retailer 4$2,693 CAD
MOH London$3,043 CAD
Retailer 7$3,328 CAD

23 data points across 16 retailers

12 retailers$601 CAD to $3,043 CAD

A
Cheapest Retailer
-
$601 CAD
$430 USD
B+
Retailer 2
-
$668 CAD
$478 USD
View
B+
Retailer 3
-
$747 CAD
$535 USD
View
Final sale: no returns
B+
Retailer 4
-
$749 CAD
$536 USD
View
Retailer 5
-
$828 CAD
$593 USD
View
Price last confirmed 17 days ago
B+
Retailer 6
-
$828 CAD
$593 USD
View
B
Retailer 7
-
$1,294 CAD
$926 USD
View
Retailer 8
-
$1,389 CAD
€947 EUR
View
Price last confirmed 8 days ago
B
Retailer 9
-
$2,227 CAD
$1,594 USD
View
B
Retailer 10
-
$2,662 CAD
$1,906 USD
View
B
Retailer 11
-
$2,693 CAD
$1,928 USD
View
Most Expensive
B
MOH London
LG436074394 · Nov 1
$3,043 CAD
£1,715 GBP
View
11 more retailers have this diamond
Prices start from $601 CADSave up to $2,442 CAD

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
0.71ct Marquise
$601 CAD