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Round|Lab Grown|IGI

1.62ct J SI1 Round Lab Grown Diamond

ID • J/SI1 • IGI LG499189100

Shape and cutting style on the report: Round brilliant

Certificate IGI LG499189100

Diamond specifications and retailer prices

From $920 USD
As of October 30, 2026
Save $3,751 USD (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,671 USD at MOH London · As of October 27, 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 LG499189100 or 499189100. Listed at 11 retailers as of October 27, 2026, with prices from $920 to $4,671, a $3,751 spread on the same certified stone. MOH London lists it at $4,671. 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
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG499189100
Dimensions7.56 × 7.64 × 4.56 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.56 mm7.64 mm1.62 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG499189100
Side View
Table 59.5%Crown 33.5°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 60.1%

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 30
Current: $4,671 USD|Low: $920 USD|High: $4,727 USD|Avg: $2,121 USD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 2$920 USD
Retailer 3$1,252 USD
Retailer 6$1,402 USD
Retailer 4$1,452 USD
Retailer 7$1,625 USD
Retailer 9$2,016 USD
Retailer 5$2,299 USD
Retailer 8$2,706 USD
MOH London$4,671 USD

13 data points across 9 retailers

11 retailers$920 USD to $4,671 USD

A
Cheapest Retailer
-
$920 USD
B+
Retailer 2
-
$1,252 USD
View
B+
Retailer 3
-
$1,362 USD
View
B+
Retailer 4
-
$1,402 USD
View
Final sale: no returns
B+
Retailer 5
-
$1,452 USD
View
Retailer 6
-
$1,452 USD
View
Price last confirmed 18 days ago
B+
Retailer 7
-
$1,625 USD
View
B
Retailer 8
-
$2,299 USD
View
B
Retailer 9
-
$2,706 USD
View
B
Retailer 10
-
$2,722 USD
View
Most Expensive
B
MOH London
LG499189100 · Oct 27
$4,671 USD
£3,678 GBP
View
10 more retailers have this diamond
Prices start from $920 USDSave up to $3,751 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
1.62ct Round
$920 USD