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0.31ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG775632456

Shape and cutting style on the report: Round brilliant

Certificate IGI LG775632456

Diamond specifications and retailer prices

From €59 EUR
$66 USD
As of October 29, 2026
Save €485 EUR (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €545 EUR at MOH London · As of October 29, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG775632456 or 775632456. Listed at 14 retailers as of October 29, 2026, with prices from €59 to €545, a €485 spread on the same certified stone. MOH London lists it at €545. 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
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG775632456
Dimensions4.33 × 4.35 × 2.72 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
4.33 mm4.35 mm0.31 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG775632456
Side View
Table 56.0%Crown 35.8°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.8%

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 29
Current: €545 EUR|Low: €57 EUR|High: €552 EUR|Avg: €184 EUR|+1.7%
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
November 1, 2026
Retailer 13€59 EUR
Retailer 11€69 EUR
Retailer 5€79 EUR
Retailer 6€79 EUR
Retailer 3€103 EUR
Retailer 14€116 EUR
Retailer 2€126 EUR
Retailer 8€153 EUR
Retailer 9€177 EUR
Retailer 7€179 EUR
Retailer 4€221 EUR
Retailer 10€237 EUR
Retailer 12€277 EUR
MOH London€545 EUR

42 data points across 14 retailers

14 retailers€59 EUR to €545 EUR

A
Cheapest Retailer
-
€59 EUR
$66 USD
A
Retailer 2
-
€69 EUR
$77 USD
View
A
Retailer 3
-
€79 EUR
$88 USD
View
A
Retailer 4
-
€79 EUR
$88 USD
View
A
Retailer 5
-
€103 EUR
$115 USD
View
Retailer 6
-
€116 EUR
$130 USD
View
Price last confirmed 13 days ago
A
Retailer 7
-
€126 EUR
£111 GBP
View
A
Retailer 8
-
€153 EUR
View
B+
Retailer 9
-
€177 EUR
£156 GBP
View
A
Retailer 10
-
€179 EUR
$200 USD
View
B+
Retailer 11
-
€221 EUR
SGD 334 SGD
View
B+
Retailer 12
-
€237 EUR
$265 USD
View
B+
Retailer 13
-
€277 EUR
$310 USD
View
Most Expensive
B
MOH London
LG775632456 · Oct 29
€545 EUR
£479 GBP
View
13 more retailers have this diamond
Prices start from €59 EURSave up to €485 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
€59 EUR