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Round|Lab Grown|IGI

1.61ct J SI2 Round Lab Grown Diamond

EX • J/SI2 • IGI LG451056262

Shape and cutting style on the report: Round brilliant

Certificate IGI LG451056262

Diamond specifications and retailer prices

From €815 EUR
$910 USD
As of October 30, 2026
Save €2,952 EUR (78%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €3,766 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 1.61ct lab-grown round diamond

This 1.61ct 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 LG451056262 or 451056262. Listed at 10 retailers as of October 29, 2026, with prices from €815 to €3,766, a €2,952 spread on the same certified stone. MOH London lists it at €3,766. 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

1.61
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451056262
Dimensions7.44 × 7.38 × 4.66 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.44 mm7.38 mm1.61 ctJ / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451056262
Side View
Table 59.0%Crown 36.4°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.7%

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 30
Current: €3,766 EUR|Low: €815 EUR|High: €3,797 EUR|Avg: €1,723 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 30, 2026
Retailer 2€815 EUR
Retailer 5€1,005 EUR
Retailer 8€1,094 EUR
Retailer 10€1,125 EUR
Retailer 6€1,166 EUR
Retailer 3€1,260 EUR
Retailer 12€1,669 EUR
Retailer 7€1,854 EUR
Retailer 9€2,186 EUR
Retailer 11€2,365 EUR
Retailer 4€2,607 EUR
MOH London€3,766 EUR

16 data points across 12 retailers

10 retailers€815 EUR to €3,766 EUR

A
Cheapest Retailer
-
€815 EUR
$910 USD
B+
Retailer 2
-
€1,005 EUR
$1,123 USD
View
B+
Retailer 3
-
€1,094 EUR
$1,222 USD
View
B+
Retailer 4
-
€1,125 EUR
$1,257 USD
View
Final sale: no returns
Retailer 5
-
€1,166 EUR
$1,303 USD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
€1,166 EUR
$1,303 USD
View
B
Retailer 7
-
€1,854 EUR
$2,071 USD
View
B
Retailer 8
-
€2,186 EUR
$2,442 USD
View
B
Retailer 9
-
€2,365 EUR
$2,642 USD
View
Most Expensive
B
MOH London
LG451056262 · Oct 29
€3,766 EUR
£3,313 GBP
View
9 more retailers have this diamond
Prices start from €815 EURSave up to €2,952 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
1.61ct Round
€815 EUR