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Round|Lab Grown|IGI

1.60ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG557240794

Shape and cutting style on the report: Round brilliant

Certificate IGI LG557240794

Diamond specifications and retailer prices

From $269 AUD
$189 USD
As of November 1, 2026
Save $1,295 AUD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,564 AUD at MOH London · As of October 26, 2026
View at MOH London

About this 1.6ct lab-grown round diamond

This 1.6ct lab-grown round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG557240794 or 557240794. Listed at 13 retailers as of October 26, 2026, with prices from $269 to $1,564, a $1,295 spread on the same certified stone. MOH London lists it at $1,564. 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

1.60
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG557240794
Dimensions7.45 × 7.48 × 4.57 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.45 mm7.48 mm1.60 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG557240794
Side View
Table 59.0%Crown 35.6°Girdle: Med.Pavilion 40.5°Culet: NoneDepth 61.3%

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 1
Current: $1,564 AUD|Low: $269 AUD|High: $1,602 AUD|Avg: $734 AUD|-2.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 13$269 AUD
Retailer 9$313 AUD
Retailer 5$335 AUD
Retailer 8$335 AUD
Retailer 11$585 AUD
Retailer 2$595 AUD
Retailer 6$606 AUD
Retailer 3$708 AUD
Retailer 10$813 AUD
Retailer 7$1,061 AUD
Retailer 4$1,075 AUD
Retailer 12$1,078 AUD
MOH London$1,564 AUD

44 data points across 13 retailers

13 retailers$269 AUD to $1,564 AUD

A
Cheapest Retailer
-
$269 AUD
$189 USD
A
Retailer 2
-
$313 AUD
$220 USD
View
Retailer 3
-
$335 AUD
$235 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
$335 AUD
$235 USD
View
B+
Retailer 5
-
$585 AUD
$411 USD
View
A
Retailer 6
-
$595 AUD
£329 GBP
View
A
Retailer 7
-
$606 AUD
£335 GBP
View
B+
Retailer 8
-
$708 AUD
$497 USD
View
B+
Retailer 9
-
$813 AUD
$571 USD
View
B+
Retailer 10
-
$1,061 AUD
$745 USD
View
B
Retailer 11
-
$1,075 AUD
$755 USD
View
B
Retailer 12
-
$1,078 AUD
$757 USD
View
Most Expensive
B
MOH London
LG557240794 · Oct 26
$1,564 AUD
£865 GBP
View
12 more retailers have this diamond
Prices start from $269 AUDSave up to $1,295 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
1.60ct Round
$269 AUD