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Round|Lab Grown|IGI

1.62ct H SI2 Round Lab Grown Diamond

ID • H/SI2 • IGI LG425065412

Shape and cutting style on the report: Round brilliant

Certificate IGI LG425065412

Diamond specifications and retailer prices

From $1,200 USD
As of October 29, 2026
Save $3,535 USD (75%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,735 USD at MOH London · As of October 29, 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG425065412 or 425065412. Listed at 10 retailers as of October 29, 2026, with prices from $1,200 to $4,735, a $3,535 spread on the same certified stone. MOH London lists it at $4,735. 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
H
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG425065412
Dimensions7.53 × 7.58 × 4.69 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.53 mm7.58 mm1.62 ctH / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG425065412
Side View
Table 56.0%Crown 34.1°GirdlePavilion 41.2°Culet: NoneDepth 62.1%

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: $4,735 USD|Low: $1,200 USD|High: $4,773 USD|Avg: $2,559 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 29, 2026
Retailer 2$1,200 USD
Retailer 4$1,547 USD
Retailer 5$1,592 USD
Retailer 7$2,250 USD
Retailer 3$2,602 USD
Retailer 6$2,993 USD
Retailer 8$3,691 USD
MOH London$4,735 USD

13 data points across 8 retailers

10 retailers$1,200 USD to $4,735 USD

A
Cheapest Retailer
-
$1,200 USD
B+
Retailer 2
-
$1,421 USD
View
B+
Retailer 3
-
$1,547 USD
View
B+
Retailer 4
-
$1,592 USD
View
Final sale: no returns
B+
Retailer 5
-
$1,649 USD
View
Retailer 6
-
$1,649 USD
View
Price last confirmed 17 days ago
B
Retailer 7
-
$2,602 USD
View
B
Retailer 8
-
$2,993 USD
View
B
Retailer 9
-
$3,091 USD
View
Most Expensive
B
MOH London
LG425065412 · Oct 29
$4,735 USD
£3,728 GBP
View
9 more retailers have this diamond
Prices start from $1,200 USDSave up to $3,535 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
$1,200 USD