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Round|Lab Grown|IGI

0.31ct H SI2 Round Lab Grown Diamond

EX • H/SI2 • IGI LG544242974

Shape and cutting style on the report: Round brilliant

Certificate IGI LG544242974

Diamond specifications and retailer prices

From €78 EUR
$87 USD
As of November 1, 2026
Save €628 EUR (89%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €706 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 0.31ct lab-grown round diamond

This 0.31ct lab-grown round sits in the sub-half-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG544242974 or 544242974. Listed at 10 retailers as of November 1, 2026, with prices from €78 to €706, a €628 spread on the same certified stone. MOH London lists it at €706. 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

0.31
Carat
H
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.3°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG544242974
Dimensions4.43 × 4.45 × 2.60 mm
L/W Ratio1.00
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
4.43 mm4.45 mm0.31 ctH / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG544242974
Side View
Table 59.0%Crown 31.3°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 58.6%

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: Nov 1
Current: €706 EUR|Low: €74 EUR|High: €714 EUR|Avg: €298 EUR|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 3€78 EUR
Retailer 6€102 EUR
Retailer 2€116 EUR
Retailer 4€204 EUR
Retailer 7€241 EUR
Retailer 5€297 EUR
Retailer 8€514 EUR
MOH London€706 EUR

14 data points across 8 retailers

10 retailers€78 EUR to €706 EUR

A
Cheapest Retailer
-
€78 EUR
$87 USD
A
Retailer 2
-
€90 EUR
$100 USD
View
A
Retailer 3
-
€102 EUR
$114 USD
View
Retailer 4
-
€102 EUR
$114 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
€116 EUR
$130 USD
View
B+
Retailer 6
-
€204 EUR
$228 USD
View
B+
Retailer 7
-
€241 EUR
HK$2,100 HKD
View
B+
Retailer 8
-
€297 EUR
$332 USD
View
B
Retailer 9
-
€309 EUR
$345 USD
View
Most Expensive
B
MOH London
LG544242974 · Nov 1
€706 EUR
£621 GBP
View
9 more retailers have this diamond
Prices start from €78 EURSave up to €628 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.

A
0.31ct Round
€78 EUR