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Round|Lab Grown|IGI

2.91ct K SI1 Round Lab Grown Diamond

EX • K/SI1 • IGI LG485161750

Shape and cutting style on the report: Round brilliant

Certificate IGI LG485161750

Diamond specifications and retailer prices

From €2,255 EUR
As of November 5, 2026
Save €4,731 EUR (68%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €6,986 EUR at MOH London · As of November 5, 2026
View at MOH London

About this 2.91ct lab-grown round diamond

This 2.91ct lab-grown round sits in the two to three carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG485161750 or 485161750. Listed at 10 retailers as of November 5, 2026, with prices from €2,255 to €6,986, a €4,731 spread on the same certified stone. MOH London lists it at €6,986. 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

2.91
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG485161750
Dimensions9.08 × 9.15 × 5.58 mm
L/W Ratio1.01
Girdle conditionFaceted
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
9.08 mm9.15 mm2.91 ctK / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG485161750
Side View
Table 59.0%Crown 35.1°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 61.2%

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: Nov 5
Current: €6,986 EUR|Low: €2,165 EUR|High: €7,099 EUR|Avg: €3,572 EUR|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 5€2,255 EUR
Retailer 2€2,538 EUR
Retailer 6€2,616 EUR
Retailer 8€2,616 EUR
Retailer 3€2,619 EUR
Retailer 9€3,215 EUR
Retailer 4€3,839 EUR
Retailer 7€4,076 EUR
MOH London€6,986 EUR

40 data points across 9 retailers

10 retailers€2,255 EUR to €6,986 EUR

A
Cheapest Retailer
-
€2,255 EUR
A
Retailer 2
-
€2,454 EUR
View
A
Retailer 3
-
€2,538 EUR
View
A
Retailer 4
-
€2,616 EUR
View
Retailer 5
-
€2,616 EUR
View
Price last confirmed 25 days ago
A
Retailer 6
-
€2,619 EUR
View
B
Retailer 7
-
€3,596 EUR
View
B
Retailer 8
-
€3,839 EUR
View
B
Retailer 9
-
€4,076 EUR
View
Most Expensive
B
MOH London
LG485161750 · Nov 5
€6,986 EUR
£6,174 GBP
View
9 more retailers have this diamond
Prices start from €2,255 EURSave up to €4,731 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
2.91ct Round
€2,255 EUR