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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 $920 USD
As of October 30, 2026
Save $3,798 USD (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,718 USD at MOH London · As of October 29, 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 29, 2026, with prices from $920 to $4,718, a $3,798 spread on the same certified stone. MOH London lists it at $4,718. 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
Color
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 30
Current: $4,718 USD|Low: $920 USD|High: $4,750 USD|Avg: $2,365 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 2$920 USD
Retailer 3$1,259 USD
Retailer 6$1,410 USD
Retailer 4$1,461 USD
Retailer 7$1,635 USD
Retailer 9$2,027 USD
Retailer 5$2,313 USD
Retailer 8$2,723 USD
Retailer 10$4,180 USD
MOH London$4,718 USD

13 data points across 10 retailers

11 retailers$920 USD to $4,718 USD

A
Cheapest Retailer
-
$920 USD
B+
Retailer 2
-
$1,259 USD
View
B+
Retailer 3
-
$1,370 USD
View
B+
Retailer 4
-
$1,410 USD
View
Final sale: no returns
Retailer 5
-
$1,461 USD
View
Price last confirmed 19 days ago
B+
Retailer 6
-
$1,461 USD
View
B+
Retailer 7
-
$1,635 USD
View
B
Retailer 8
-
$2,313 USD
View
B
Retailer 9
-
$2,723 USD
View
B
Retailer 10
-
$2,738 USD
View
Most Expensive
B
MOH London
LG442066849 · Oct 29
$4,718 USD
£3,715 GBP
View
10 more retailers have this diamond
Prices start from $920 USDSave up to $3,798 USD

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
$920 USD