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1.63ct J SI2 Round Lab Grown Diamond

EX • J/SI2 • IGI LG425065582

Shape and cutting style on the report: Round brilliant

Certificate IGI LG425065582

Diamond specifications and retailer prices

From $1,632 NZD
$920 USD
As of October 30, 2026
Save $5,923 NZD (78%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $7,556 NZD 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 LG425065582 or 425065582. Listed at 10 retailers as of October 29, 2026, with prices from $1,632 to $7,556, a $5,923 spread on the same certified stone. MOH London lists it at $7,556. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG425065582
Dimensions7.58 × 7.57 × 4.59 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.58 mm7.57 mm1.63 ctJ / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG425065582
Side View
Table 56.5%Crown 32.2°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.5%

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: $7,556 NZD|Low: $1,632 NZD|High: $7,616 NZD|Avg: $3,532 NZD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 2$1,632 NZD
Retailer 4$2,017 NZD
Retailer 7$2,195 NZD
Retailer 9$2,259 NZD
Retailer 5$2,339 NZD
Retailer 11$3,345 NZD
Retailer 6$3,717 NZD
Retailer 8$4,384 NZD
Retailer 10$4,610 NZD
Retailer 3$5,231 NZD
MOH London$7,556 NZD

16 data points across 11 retailers

10 retailers$1,632 NZD to $7,556 NZD

A
Cheapest Retailer
-
$1,632 NZD
$920 USD
B+
Retailer 2
-
$2,017 NZD
$1,137 USD
View
B+
Retailer 3
-
$2,195 NZD
$1,237 USD
View
B+
Retailer 4
-
$2,259 NZD
$1,273 USD
View
Final sale: no returns
Retailer 5
-
$2,339 NZD
$1,318 USD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
$2,339 NZD
$1,318 USD
View
B
Retailer 7
-
$3,717 NZD
$2,095 USD
View
B
Retailer 8
-
$4,384 NZD
$2,471 USD
View
B
Retailer 9
-
$4,610 NZD
$2,598 USD
View
Most Expensive
B
MOH London
LG425065582 · Oct 29
$7,556 NZD
£3,353 GBP
View
9 more retailers have this diamond
Prices start from $1,632 NZDSave up to $5,923 NZD

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
$1,632 NZD