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Round|Lab Grown|IGI

1.62ct J SI2 Round Lab Grown Diamond

EX • J/SI2 • IGI LG451055667

Shape and cutting style on the report: Round brilliant

Certificate IGI LG451055667

Diamond specifications and retailer prices

From $1,130 USD
As of October 29, 2026
Save $3,086 USD (73%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,216 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG451055667 or 451055667. Listed at 10 retailers as of October 27, 2026, with prices from $1,130 to $4,216, a $3,086 spread on the same certified stone. MOH London lists it at $4,216. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451055667
Dimensions7.45 × 7.42 × 4.70 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.45 mm7.42 mm1.62 ctJ / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451055667
Side View
Table 56.5%Crown 36.3°Girdle: MED-STKPavilion 40.8°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 29
Current: $4,216 USD|Low: $1,150 USD|High: $4,261 USD|Avg: $2,138 USD|+0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 27, 2026
Retailer 2$1,150 USD
Retailer 4$1,229 USD
Retailer 5$1,264 USD
Retailer 7$1,875 USD
Retailer 3$2,084 USD
Retailer 6$2,582 USD
Retailer 8$2,931 USD
MOH London$4,216 USD

8 data points across 8 retailers

10 retailers$1,130 USD to $4,216 USD

A
Cheapest Retailer
-
$1,130 USD
A
Retailer 2
-
$1,150 USD
View
A
Retailer 3
-
$1,229 USD
View
A
Retailer 4
-
$1,264 USD
View
Final sale: no returns
B+
Retailer 5
-
$1,310 USD
View
B+
Retailer 6
-
$1,311 USD
View
Price last confirmed 17 days ago
B
Retailer 7
-
$2,084 USD
View
B
Retailer 8
-
$2,456 USD
View
B
Retailer 9
-
$2,582 USD
View
Most Expensive
B
MOH London
LG451055667 · Oct 27
$4,216 USD
£3,320 GBP
View
9 more retailers have this diamond
Prices start from $1,130 USDSave up to $3,086 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
$1,130 USD