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Round|Lab Grown|IGI

1.61ct J SI1 Round Lab Grown Diamond

EX • J/SI1 • IGI LG445036211

Shape and cutting style on the report: Round brilliant

Certificate IGI LG445036211

Diamond specifications and retailer prices

From €820 EUR
$920 USD
As of October 31, 2026
Save €3,314 EUR (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €4,134 EUR at MOH London · As of November 1, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG445036211 or 445036211. Listed at 11 retailers as of October 31, 2026, with prices from €820 to €4,134, a €3,314 spread on the same certified stone. MOH London lists it at €4,134. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445036211
Dimensions7.54 × 7.50 × 4.64 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.54 mm7.50 mm1.61 ctJ / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG445036211
Side View
Table 56.5%Crown 36.3°Girdle: MediumPavilion 40.4°Culet: NoneDepth 61.7%

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 31
Current: €4,134 EUR|Low: €820 EUR|High: €4,184 EUR|Avg: €1,878 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 2€820 EUR
Retailer 3€1,109 EUR
Retailer 6€1,242 EUR
Retailer 4€1,287 EUR
Retailer 7€1,440 EUR
Retailer 10€1,525 EUR
Retailer 9€1,815 EUR
Retailer 5€2,038 EUR
Retailer 8€2,465 EUR
MOH London€4,134 EUR

13 data points across 10 retailers

11 retailers€820 EUR to €4,134 EUR

A
Cheapest Retailer
-
€820 EUR
$920 USD
B+
Retailer 2
-
€1,109 EUR
$1,244 USD
View
B+
Retailer 3
-
€1,207 EUR
$1,354 USD
View
B+
Retailer 4
-
€1,242 EUR
$1,393 USD
View
Final sale: no returns
Retailer 5
-
€1,287 EUR
$1,443 USD
View
Price last confirmed 20 days ago
B+
Retailer 6
-
€1,287 EUR
$1,443 USD
View
B+
Retailer 7
-
€1,440 EUR
$1,615 USD
View
B
Retailer 8
-
€2,038 EUR
$2,286 USD
View
B
Retailer 9
-
€2,412 EUR
$2,705 USD
View
B
Retailer 10
-
€2,465 EUR
$2,765 USD
View
Most Expensive
B
MOH London
LG445036211 · Nov 1
€4,134 EUR
£3,651 GBP
View
10 more retailers have this diamond
Prices start from €820 EURSave up to €3,314 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
€820 EUR