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Round|Lab Grown|IGI

3.00ct J SI1 Round Lab Grown Diamond

ID • J/SI1 • IGI LG492110397

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492110397

Diamond specifications and retailer prices

From €1,504 EUR
$1,680 USD
As of October 31, 2026
Save €9,787 EUR (87%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €11,290 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 3ct lab-grown round diamond

This 3ct lab-grown round sits in the three to five carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG492110397 or 492110397. Listed at 12 retailers as of October 29, 2026, with prices from €1,504 to €11,290, a €9,787 spread on the same certified stone. MOH London lists it at €11,290. 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

3.00
Carat
J
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492110397
Dimensions9.24 × 9.18 × 5.65 mm
L/W Ratio1.01
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
9.24 mm9.18 mm3.00 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492110397
Side View
Table 57.5%Crown 35.5°GirdlePavilion 40.2°Culet: NoneDepth 61.3%

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: €11,290 EUR|Low: €1,504 EUR|High: €11,380 EUR|Avg: €6,060 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
Retailer 13
November 1, 2026
Retailer 6€1,504 EUR
Retailer 8€4,757 EUR
Retailer 11€4,986 EUR
Retailer 13€5,328 EUR
Retailer 3€5,519 EUR
Retailer 9€5,519 EUR
Retailer 4€5,532 EUR
Retailer 2€5,582 EUR
Retailer 5€5,906 EUR
Retailer 12€6,551 EUR
Retailer 7€6,796 EUR
Retailer 10€8,525 EUR
MOH London€11,290 EUR

37 data points across 13 retailers

12 retailers€1,504 EUR to €11,290 EUR

A
Cheapest Retailer
-
€1,504 EUR
$1,680 USD
B+
Retailer 2
-
€4,757 EUR
$5,315 USD
View
B+
Retailer 3
-
€4,986 EUR
$5,570 USD
View
B+
Retailer 4
-
€5,328 EUR
$5,953 USD
View
Final sale: no returns
B+
Retailer 5
-
€5,519 EUR
$6,166 USD
View
Retailer 6
-
€5,519 EUR
$6,166 USD
View
Price last confirmed 19 days ago
B+
Retailer 7
-
€5,532 EUR
$6,180 USD
View
B+
Retailer 8
-
€5,582 EUR
£4,910 GBP
View
B
Retailer 9
-
€6,551 EUR
$7,319 USD
View
B
Retailer 10
-
€6,796 EUR
$7,593 USD
View
B
Retailer 11
-
€8,525 EUR
$9,524 USD
View
Most Expensive
B
MOH London
LG492110397 · Oct 29
€11,290 EUR
£9,932 GBP
View
11 more retailers have this diamond
Prices start from €1,504 EURSave up to €9,787 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
3.00ct Round
€1,504 EUR