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Round|Lab Grown|IGI

1.63ct J SI2 Round Lab Grown Diamond

ID • J/SI2 • IGI LG425065182

Shape and cutting style on the report: Round brilliant

Certificate IGI LG425065182

Diamond specifications and retailer prices

From $1,310 AUD
$920 USD
As of October 30, 2026
Save $4,752 AUD (78%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,062 AUD 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG425065182 or 425065182. Listed at 10 retailers as of October 29, 2026, with prices from $1,310 to $6,062, a $4,752 spread on the same certified stone. MOH London lists it at $6,062. 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
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG425065182
Dimensions7.57 × 7.54 × 4.66 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.57 mm7.54 mm1.63 ctJ / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG425065182
Side View
Table 54.5%Crown 34.7°Girdle: MED-STKPavilion 40.2°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: $6,062 AUD|Low: $1,310 AUD|High: $6,102 AUD|Avg: $2,754 AUD|+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
Retailer 13
October 30, 2026
Retailer 2$1,310 AUD
Retailer 6$1,619 AUD
Retailer 9$1,761 AUD
Retailer 11$1,812 AUD
Retailer 7$1,876 AUD
Retailer 4$2,017 AUD
Retailer 3$2,527 AUD
Retailer 13$2,683 AUD
Retailer 8$2,982 AUD
Retailer 10$3,518 AUD
Retailer 12$3,699 AUD
Retailer 5$4,197 AUD
MOH London$6,062 AUD

14 data points across 13 retailers

10 retailers$1,310 AUD to $6,062 AUD

A
Cheapest Retailer
-
$1,310 AUD
$920 USD
B+
Retailer 2
-
$1,619 AUD
$1,137 USD
View
B+
Retailer 3
-
$1,761 AUD
$1,237 USD
View
B+
Retailer 4
-
$1,812 AUD
$1,273 USD
View
Final sale: no returns
B+
Retailer 5
-
$1,876 AUD
$1,318 USD
View
Retailer 6
-
$1,876 AUD
$1,318 USD
View
Price last confirmed 18 days ago
B
Retailer 7
-
$2,982 AUD
$2,095 USD
View
B
Retailer 8
-
$3,518 AUD
$2,471 USD
View
B
Retailer 9
-
$3,699 AUD
$2,598 USD
View
Most Expensive
B
MOH London
LG425065182 · Oct 29
$6,062 AUD
£3,353 GBP
View
9 more retailers have this diamond
Prices start from $1,310 AUDSave up to $4,752 AUD

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
$1,310 AUD