Marquise|Lab Grown|IGI

0.31ct H SI1 Marquise Lab Grown Diamond

GD • H/SI1 • IGI LG544242229

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG544242229

Diamond specifications and retailer prices

From €78 EUR
$87 USD
As of November 2, 2026
Save €626 EUR (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €703 EUR at MOH London · As of November 2, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG544242229 or 544242229. Listed at 11 retailers as of November 2, 2026, with prices from €78 to €703, a €626 spread on the same certified stone. MOH London lists it at €703. 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
H
Color
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle38.4°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG544242229
Dimensions7.24 × 3.41 × 2.10 mm
L/W Ratio2.12
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.24 mm3.41 mm0.31 ctH / SI1
OriginLab Grown
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG544242229
Side View
Table 65.5%Crown 38.4°Girdle: MED-THKPavilion 39.9°Culet: NoneDepth 61.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: €703 EUR|Low: €74 EUR|High: €1,111 EUR|Avg: €319 EUR|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 6€78 EUR
Retailer 9€89 EUR
Retailer 10€102 EUR
Retailer 11€102 EUR
Retailer 2€152 EUR
Retailer 4€183 EUR
Retailer 8€203 EUR
Retailer 5€246 EUR
Retailer 12€296 EUR
Retailer 7€308 EUR
MOH London€703 EUR
Retailer 3€1,111 EUR

20 data points across 12 retailers

11 retailers€78 EUR to €703 EUR

B+
Cheapest Retailer
-
€78 EUR
$87 USD
B+
Retailer 2
-
€89 EUR
$100 USD
View
Retailer 3
-
€102 EUR
$114 USD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
€102 EUR
$114 USD
View
B+
Retailer 5
-
€152 EUR
$170 USD
View
B
Retailer 6
-
€183 EUR
HK$1,600 HKD
View
B
Retailer 7
-
€203 EUR
$228 USD
View
B
Retailer 8
-
€246 EUR
£217 GBP
View
B
Retailer 9
-
€296 EUR
$332 USD
View
C
Retailer 10
-
€308 EUR
$345 USD
View
Most Expensive
C
MOH London
LG544242229 · Nov 2
€703 EUR
£621 GBP
View
10 more retailers have this diamond
Prices start from €78 EURSave up to €626 EUR

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.

B+
0.31ct Marquise
€78 EUR