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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 $1,352 AUD
$950 USD
As of October 30, 2026
Save $5,388 AUD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,740 AUD 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 $1,352 to $6,740, a $5,388 spread on the same certified stone. MOH London lists it at $6,740. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $6,740 AUD|Low: $1,352 AUD|High: $6,794 AUD|Avg: $3,420 AUD|+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$1,352 AUD
Retailer 4$2,023 AUD
Retailer 7$2,202 AUD
Retailer 9$2,266 AUD
Retailer 5$2,348 AUD
Retailer 11$3,203 AUD
Retailer 6$3,704 AUD
Retailer 10$4,261 AUD
Retailer 8$4,400 AUD
Retailer 3$5,254 AUD
MOH London$6,740 AUD

17 data points across 11 retailers

10 retailers$1,352 AUD to $6,740 AUD

A
Cheapest Retailer
-
$1,352 AUD
$950 USD
B+
Retailer 2
-
$2,023 AUD
$1,421 USD
View
B+
Retailer 3
-
$2,202 AUD
$1,547 USD
View
B+
Retailer 4
-
$2,266 AUD
$1,592 USD
View
Final sale: no returns
B+
Retailer 5
-
$2,348 AUD
$1,649 USD
View
Retailer 6
-
$2,348 AUD
$1,649 USD
View
Price last confirmed 18 days ago
B
Retailer 7
-
$3,704 AUD
$2,602 USD
View
B
Retailer 8
-
$4,261 AUD
$2,993 USD
View
B
Retailer 9
-
$4,400 AUD
$3,091 USD
View
Most Expensive
B
MOH London
LG425065412 · Oct 29
$6,740 AUD
£3,728 GBP
View
9 more retailers have this diamond
Prices start from $1,352 AUDSave up to $5,388 AUD

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
$1,352 AUD