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1.62ct J SI1 Round Lab Grown Diamond

ID • J/SI1 • IGI LG425065411

Shape and cutting style on the report: Round brilliant

Certificate IGI LG425065411

Diamond specifications and retailer prices

From $1,632 NZD
$920 USD
As of October 31, 2026
Save $6,644 NZD (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $8,277 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 1.62ct lab-grown round diamond

This 1.62ct 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 LG425065411 or 425065411. Listed at 11 retailers as of October 31, 2026, with prices from $1,632 to $8,277, a $6,644 spread on the same certified stone. MOH London lists it at $8,277. 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

1.62
Carat
J
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle32.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG425065411
Dimensions7.60 × 7.55 × 4.62 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.60 mm7.55 mm1.62 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG425065411
Side View
Table 54.5%Crown 32.9°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 61.1%

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: $8,277 NZD|Low: $1,632 NZD|High: $8,387 NZD|Avg: $3,670 NZD
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$1,632 NZD
Retailer 3$2,221 NZD
Retailer 6$2,486 NZD
Retailer 4$2,576 NZD
Retailer 7$2,883 NZD
Retailer 10$3,119 NZD
Retailer 9$3,577 NZD
Retailer 5$4,079 NZD
Retailer 8$4,801 NZD
MOH London$8,277 NZD

14 data points across 10 retailers

11 retailers$1,632 NZD to $8,277 NZD

A
Cheapest Retailer
-
$1,632 NZD
$920 USD
B+
Retailer 2
-
$2,221 NZD
$1,252 USD
View
B+
Retailer 3
-
$2,417 NZD
$1,362 USD
View
B+
Retailer 4
-
$2,486 NZD
$1,401 USD
View
Final sale: no returns
Retailer 5
-
$2,576 NZD
$1,452 USD
View
Price last confirmed 20 days ago
B+
Retailer 6
-
$2,576 NZD
$1,452 USD
View
B+
Retailer 7
-
$2,883 NZD
$1,625 USD
View
B
Retailer 8
-
$4,079 NZD
$2,299 USD
View
B
Retailer 9
-
$4,801 NZD
$2,706 USD
View
B
Retailer 10
-
$4,830 NZD
$2,722 USD
View
Most Expensive
B
MOH London
LG425065411 · Nov 1
$8,277 NZD
£3,673 GBP
View
10 more retailers have this diamond
Prices start from $1,632 NZDSave up to $6,644 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
1.62ct Round
$1,632 NZD