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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 $113 USD
As of October 27, 2026
Save $1,059 USD (90%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,172 USD 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 $113 to $1,172, a $1,059 spread on the same certified stone. MOH London lists it at $1,172. 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: $1,172 USD|Low: $109 USD|High: $1,185 USD|Avg: $340 USD|-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$113 USD
Retailer 14$127 USD
Retailer 13$131 USD
Retailer 12$149 USD
Retailer 5$198 USD
Retailer 9$220 USD
Retailer 8$251 USD
Retailer 4$260 USD
Retailer 2$283 USD
Retailer 11$290 USD
Retailer 7$360 USD
Retailer 6$392 USD
Retailer 3$732 USD
MOH London$1,172 USD

43 data points across 14 retailers

16 retailers$113 USD to $1,172 USD

A
Cheapest Retailer
-
$113 USD
A
Retailer 2
-
$127 USD
View
Final sale: no returns
A
Retailer 3
-
$131 USD
View
A
Retailer 4
-
$149 USD
View
A
Retailer 5
-
$166 USD
HK$1,300 HKD
View
A
Retailer 6
-
$198 USD
View
A
Retailer 7
-
$220 USD
View
B+
Retailer 8
-
$251 USD
€239 EUR
View
B+
Retailer 9
-
$260 USD
View
B+
Retailer 10
-
$283 USD
£223 GBP
View
B+
Retailer 11
-
$290 USD
View
B+
Retailer 12
-
$360 USD
£283 GBP
View
B
Retailer 13
-
$392 USD
SGD 530 SGD
View
B
Retailer 14
-
$508 USD
View
B
Retailer 15
-
$732 USD
£576 GBP
View
Most Expensive
B
MOH London
LG717511523 · Oct 26
$1,172 USD
£923 GBP
View
15 more retailers have this diamond
Prices start from $113 USDSave up to $1,059 USD

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
$113 USD