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Round|Lab Grown|IGI

1.63ct J SI1 Round Lab Grown Diamond

EX • J/SI1 • IGI LG442066849

Shape and cutting style on the report: Round brilliant

Certificate IGI LG442066849

Diamond specifications and retailer prices

From €823 EUR
$920 USD
As of October 31, 2026
Save €3,378 EUR (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €4,201 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1.63ct lab-grown round diamond

This 1.63ct 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 LG442066849 or 442066849. Listed at 11 retailers as of October 31, 2026, with prices from €823 to €4,201, a €3,378 spread on the same certified stone. MOH London lists it at €4,201. 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

1.63
Carat
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG442066849
Dimensions7.45 × 7.41 × 4.71 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.45 mm7.41 mm1.63 ctJ / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG442066849
Side View
Table 56.5%Crown 36.4°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 63.2%

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 31
Current: €4,201 EUR|Low: €823 EUR|High: €4,251 EUR|Avg: €2,110 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€823 EUR
Retailer 3€1,127 EUR
Retailer 6€1,262 EUR
Retailer 4€1,308 EUR
Retailer 7€1,463 EUR
Retailer 9€1,814 EUR
Retailer 5€2,070 EUR
Retailer 8€2,437 EUR
Retailer 10€3,741 EUR
MOH London€4,201 EUR

14 data points across 10 retailers

11 retailers€823 EUR to €4,201 EUR

A
Cheapest Retailer
-
€823 EUR
$920 USD
B+
Retailer 2
-
€1,127 EUR
$1,259 USD
View
B+
Retailer 3
-
€1,226 EUR
$1,370 USD
View
B+
Retailer 4
-
€1,262 EUR
$1,410 USD
View
Final sale: no returns
Retailer 5
-
€1,308 EUR
$1,461 USD
View
Price last confirmed 20 days ago
B+
Retailer 6
-
€1,308 EUR
$1,461 USD
View
B+
Retailer 7
-
€1,463 EUR
$1,635 USD
View
B
Retailer 8
-
€2,070 EUR
$2,313 USD
View
B
Retailer 9
-
€2,437 EUR
$2,723 USD
View
B
Retailer 10
-
€2,451 EUR
$2,738 USD
View
Most Expensive
B
MOH London
LG442066849 · Nov 1
€4,201 EUR
£3,696 GBP
View
10 more retailers have this diamond
Prices start from €823 EURSave up to €3,378 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
1.63ct Round
€823 EUR