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Round|Lab Grown|IGI

1.62ct K SI1 Round Lab Grown Diamond

EX • K/SI1 • IGI LG445039352

Shape and cutting style on the report: Round brilliant

Certificate IGI LG445039352

Diamond specifications and retailer prices

From $1,437 AUD
As of November 5, 2026
Save $4,203 AUD (75%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $5,640 AUD at MOH London · As of November 5, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG445039352 or 445039352. Listed at 9 retailers as of November 5, 2026, with prices from $1,437 to $5,640, a $4,203 spread on the same certified stone. MOH London lists it at $5,640. 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
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.5°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445039352
Dimensions7.62 × 7.67 × 4.50 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.62 mm7.67 mm1.62 ctK / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG445039352
Side View
Table 59.0%Crown 31.5°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 58.9%

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: Nov 5
Current: $5,640 AUD|Low: $1,437 AUD|High: $5,731 AUD|Avg: $2,942 AUD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 5, 2026
Retailer 3$1,437 AUD
Retailer 4$1,667 AUD
Retailer 2$1,914 AUD
Retailer 7$2,431 AUD
Retailer 5$2,663 AUD
Retailer 6$3,486 AUD
MOH London$5,640 AUD

19 data points across 7 retailers

9 retailers$1,437 AUD to $5,640 AUD

A
Cheapest Retailer
-
$1,437 AUD
A
Retailer 2
-
$1,564 AUD
View
A
Retailer 3
-
$1,667 AUD
View
Retailer 4
-
$1,667 AUD
View
Price last confirmed 25 days ago
B+
Retailer 5
-
$1,914 AUD
View
B
Retailer 6
-
$2,663 AUD
View
B
Retailer 7
-
$3,126 AUD
View
B
Retailer 8
-
$3,486 AUD
View
Most Expensive
B
MOH London
LG445039352 · Nov 5
$5,640 AUD
£3,109 GBP
View
8 more retailers have this diamond
Prices start from $1,437 AUDSave up to $4,203 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
$1,437 AUD