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Round|Lab Grown|IGI

1.65ct J SI2 Round Lab Grown Diamond

ID • J/SI2 • IGI LG440012524

Shape and cutting style on the report: Round brilliant

Certificate IGI LG440012524

Diamond specifications and retailer prices

From €823 EUR
$920 USD
As of October 30, 2026
Save €3,019 EUR (79%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €3,842 EUR at MOH London · As of October 27, 2026
View at MOH London

About this 1.65ct lab-grown round diamond

This 1.65ct lab-grown round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG440012524 or 440012524. Listed at 11 retailers as of October 27, 2026, with prices from €823 to €3,842, a €3,019 spread on the same certified stone. MOH London lists it at €3,842. 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

1.65
Carat
J
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG440012524
Dimensions7.54 × 7.51 × 4.64 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.54 mm7.51 mm1.65 ctJ / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG440012524
Side View
Table 59.0%Crown 36.1°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 61.6%

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 30
Current: €3,842 EUR|Low: €823 EUR|High: €3,888 EUR|Avg: €1,715 EUR|-0.9%
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
October 30, 2026
Retailer 2€823 EUR
Retailer 8€1,029 EUR
Retailer 11€1,120 EUR
Retailer 13€1,153 EUR
Retailer 9€1,194 EUR
Retailer 14€1,194 EUR
Retailer 5€1,309 EUR
Retailer 7€1,390 EUR
Retailer 4€1,705 EUR
Retailer 10€1,897 EUR
Retailer 12€2,239 EUR
Retailer 3€2,353 EUR
Retailer 6€2,671 EUR
MOH London€3,842 EUR

23 data points across 14 retailers

11 retailers€823 EUR to €3,842 EUR

A
Cheapest Retailer
-
€823 EUR
$920 USD
B+
Retailer 2
-
€1,029 EUR
$1,150 USD
View
B+
Retailer 3
-
€1,120 EUR
$1,251 USD
View
B+
Retailer 4
-
€1,153 EUR
$1,288 USD
View
Final sale: no returns
B+
Retailer 5
-
€1,194 EUR
$1,334 USD
View
Retailer 6
-
€1,194 EUR
$1,334 USD
View
Price last confirmed 18 days ago
B+
Retailer 7
-
€1,390 EUR
£1,222 GBP
View
B
Retailer 8
-
€1,897 EUR
$2,119 USD
View
B
Retailer 9
-
€2,239 EUR
$2,501 USD
View
B
Retailer 10
-
€2,353 EUR
$2,629 USD
View
Most Expensive
B
MOH London
LG440012524 · Oct 27
€3,842 EUR
£3,380 GBP
View
10 more retailers have this diamond
Prices start from €823 EURSave up to €3,019 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
1.65ct Round
€823 EUR