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Round|Lab Grown|IGI

3.15ct H SI1 Round Lab Grown Diamond

ID • H/SI1 • IGI LG642473486

Shape and cutting style on the report: Round brilliant

Certificate IGI LG642473486

Diamond specifications and retailer prices

From €346 EUR
$386 USD
As of October 29, 2026
Save €1,336 EUR (79%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €1,681 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 3.15ct lab-grown round diamond

This 3.15ct lab-grown round sits in the three to five carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG642473486 or 642473486. Listed at 12 retailers as of October 29, 2026, with prices from €346 to €1,681, a €1,336 spread on the same certified stone. MOH London lists it at €1,681. 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

3.15
Carat
H
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG642473486
Dimensions9.49 × 9.46 × 5.74 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.49 mm9.46 mm3.15 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG642473486
Side View
Table 59.0%Crown 33.6°Girdle: MediumPavilion 40.9°Culet: NoneDepth 60.6%

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: Oct 29
Current: €1,681 EUR|Low: €276 EUR|High: €1,693 EUR|Avg: €756 EUR|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 6€346 EUR
Retailer 9€387 EUR
Retailer 11€387 EUR
Retailer 3€428 EUR
Retailer 7€428 EUR
Retailer 2€559 EUR
Retailer 8€679 EUR
Retailer 10€772 EUR
Retailer 4€947 EUR
Retailer 5€1,200 EUR
Retailer 12€1,376 EUR
MOH London€1,681 EUR

27 data points across 12 retailers

12 retailers€346 EUR to €1,681 EUR

A
Cheapest Retailer
-
€346 EUR
$386 USD
A
Retailer 2
-
€387 EUR
$432 USD
View
A
Retailer 3
-
€387 EUR
$432 USD
View
Final sale: no returns
A
Retailer 4
-
€428 EUR
$478 USD
View
A
Retailer 5
-
€428 EUR
$478 USD
View
A
Retailer 6
-
€559 EUR
$625 USD
View
B+
Retailer 7
-
€679 EUR
$759 USD
View
A
Retailer 8
-
€772 EUR
$863 USD
View
A
Retailer 9
-
€947 EUR
$1,058 USD
View
B+
Retailer 10
-
€1,200 EUR
$1,341 USD
View
B+
Retailer 11
-
€1,376 EUR
$1,537 USD
View
Most Expensive
B+
MOH London
LG642473486 · Oct 29
€1,681 EUR
£1,479 GBP
View
11 more retailers have this diamond
Prices start from €346 EURSave up to €1,336 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
3.15ct Round
€346 EUR