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Marquise|Lab Grown|IGI

0.31ct E IF Marquise Lab Grown Diamond

VG • E/IF • IGI LG717511523

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG717511523

Diamond specifications and retailer prices

From $158 CAD
$113 USD
As of October 27, 2026
Save $1,482 CAD (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,641 CAD at MOH London · As of October 26, 2026
View at MOH London

About this 0.31ct lab-grown marquise diamond

This 0.31ct lab-grown marquise sits in the sub-half-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG717511523 or 717511523. Listed at 16 retailers as of October 26, 2026, with prices from $158 to $1,641, a $1,482 spread on the same certified stone. MOH London lists it at $1,641. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.31
Carat
E
Color
IF
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG717511523
Dimensions6.73 × 3.45 × 2.33 mm
L/W Ratio1.95
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.73 mm3.45 mm0.31 ctE / IF
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG717511523
Side View
Table 56.0%Crown 36.7°Girdle: THK-VTKPavilion 40.8°Culet: NoneDepth 67.5%

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: Oct 27
Current: $1,641 CAD|Low: $153 CAD|High: $1,658 CAD|Avg: $475 CAD|-1.0%
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
October 29, 2026
Retailer 10$158 CAD
Retailer 14$178 CAD
Retailer 13$183 CAD
Retailer 12$209 CAD
Retailer 5$277 CAD
Retailer 9$308 CAD
Retailer 8$351 CAD
Retailer 4$364 CAD
Retailer 2$396 CAD
Retailer 11$406 CAD
Retailer 7$504 CAD
Retailer 6$549 CAD
Retailer 3$1,024 CAD
MOH London$1,641 CAD

43 data points across 14 retailers

16 retailers$158 CAD to $1,641 CAD

A
Cheapest Retailer
-
$158 CAD
$113 USD
A
Retailer 2
-
$178 CAD
$127 USD
View
Final sale: no returns
A
Retailer 3
-
$183 CAD
$131 USD
View
A
Retailer 4
-
$209 CAD
$149 USD
View
A
Retailer 5
-
$233 CAD
HK$1,300 HKD
View
A
Retailer 6
-
$277 CAD
$198 USD
View
A
Retailer 7
-
$308 CAD
$220 USD
View
B+
Retailer 8
-
$351 CAD
€239 EUR
View
B+
Retailer 9
-
$364 CAD
$260 USD
View
B+
Retailer 10
-
$396 CAD
£223 GBP
View
B+
Retailer 11
-
$406 CAD
$290 USD
View
B+
Retailer 12
-
$504 CAD
£283 GBP
View
B
Retailer 13
-
$549 CAD
SGD 530 SGD
View
B
Retailer 14
-
$711 CAD
$508 USD
View
B
Retailer 15
-
$1,024 CAD
£576 GBP
View
Most Expensive
B
MOH London
LG717511523 · Oct 26
$1,641 CAD
£923 GBP
View
15 more retailers have this diamond
Prices start from $158 CADSave up to $1,482 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
0.31ct Marquise
$158 CAD