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Round|Lab Grown|IGI

2.71ct J SI1 Round Lab Grown Diamond

ID • J/SI1 • IGI LG492122443

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492122443

Diamond specifications and retailer prices

From €1,289 EUR
$1,440 USD
As of October 31, 2026
Save €6,211 EUR (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €7,500 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 2.71ct lab-grown round diamond

This 2.71ct lab-grown round sits in the two to three carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG492122443 or 492122443. Listed at 11 retailers as of October 31, 2026, with prices from €1,289 to €7,500, a €6,211 spread on the same certified stone. MOH London lists it at €7,500. 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

2.71
Carat
J
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492122443
Dimensions9.09 × 9.13 × 5.36 mm
L/W Ratio1.00
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
9.09 mm9.13 mm2.71 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492122443
Side View
Table 59.0%Crown 33.2°Girdle: THN-MEDPavilion 40.3°Culet: NoneDepth 58.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: €7,500 EUR|Low: €1,289 EUR|High: €7,591 EUR|Avg: €3,704 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 4€1,289 EUR
Retailer 3€2,551 EUR
Retailer 7€2,857 EUR
Retailer 5€2,959 EUR
Retailer 8€3,101 EUR
Retailer 9€3,590 EUR
Retailer 2€4,252 EUR
Retailer 6€4,603 EUR
MOH London€7,500 EUR

15 data points across 9 retailers

11 retailers€1,289 EUR to €7,500 EUR

A
Cheapest Retailer
-
€1,289 EUR
$1,440 USD
A
Retailer 2
-
€2,551 EUR
$2,850 USD
View
B+
Retailer 3
-
€2,776 EUR
$3,101 USD
View
B+
Retailer 4
-
€2,857 EUR
$3,192 USD
View
Final sale: no returns
Retailer 5
-
€2,959 EUR
$3,306 USD
View
Price last confirmed 20 days ago
B+
Retailer 6
-
€2,959 EUR
$3,306 USD
View
B+
Retailer 7
-
€3,101 EUR
$3,465 USD
View
B
Retailer 8
-
€4,067 EUR
$4,544 USD
View
B
Retailer 9
-
€4,252 EUR
$4,750 USD
View
B
Retailer 10
-
€4,603 EUR
$5,142 USD
View
Most Expensive
B
MOH London
LG492122443 · Nov 1
€7,500 EUR
£6,598 GBP
View
10 more retailers have this diamond
Prices start from €1,289 EURSave up to €6,211 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
2.71ct Round
€1,289 EUR