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Round|Lab Grown|IGI

5.18ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG569327899

Shape and cutting style on the report: Round brilliant

Certificate IGI LG569327899

Diamond specifications and retailer prices

From $1,357 AUD
$953 USD
As of November 1, 2026
Save $7,199 AUD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $8,556 AUD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 5.18ct lab-grown round diamond

This 5.18ct lab-grown round sits in the over five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG569327899 or 569327899. Listed at 18 retailers as of November 1, 2026, with prices from $1,357 to $8,556, a $7,199 spread on the same certified stone. Do Amore Diamonds lists it at $8,556. 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

5.18
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG569327899
Dimensions11.16 × 11.10 × 6.83 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
11.16 mm11.10 mm5.18 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG569327899
Side View
Table 56.5%Crown 34.1°Girdle: MediumPavilion 40.8°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: $8,556 AUD|Low: $1,357 AUD|High: $11,602 AUD|Avg: $3,413 AUD|-26.3%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 2, 2026
Retailer 4$1,357 AUD
Retailer 10$1,374 AUD
Retailer 7$1,463 AUD
Retailer 8$1,516 AUD
Retailer 16$1,531 AUD
Retailer 15$1,580 AUD
Retailer 14$1,671 AUD
Retailer 3$1,955 AUD
Retailer 9$1,975 AUD
Retailer 12$2,083 AUD
Retailer 13$2,856 AUD
Retailer 2$3,535 AUD
Retailer 6$3,879 AUD
Retailer 5$4,446 AUD
Retailer 11$4,872 AUD
Do Amore Diamonds$8,556 AUD

40 data points across 16 retailers

18 retailers$1,357 AUD to $8,556 AUD

Retailer 1
-
$1,307 AUD
$918 USD
Price last confirmed 34 days ago
A
Retailer 2
-
$1,357 AUD
$953 USD
View
A
Retailer 3
-
$1,374 AUD
$965 USD
View
Retailer 4
-
$1,422 AUD
$999 USD
View
Price last confirmed 39 days ago
Retailer 5
-
$1,495 AUD
$1,050 USD
View
Price last confirmed 33 days ago
B+
Retailer 6
-
$1,531 AUD
HK$8,400 HKD
View
B+
Retailer 7
-
$1,580 AUD
$1,110 USD
View
B+
Retailer 8
-
$1,671 AUD
$1,174 USD
View
B+
Retailer 9
-
$1,875 AUD
$1,317 USD
View
B+
Retailer 10
-
$1,955 AUD
$1,373 USD
View
B+
Retailer 11
-
$1,975 AUD
£1,092 GBP
View
B+
Retailer 12
-
$2,856 AUD
$2,006 USD
View
Retailer 13
-
$3,136 AUD
$2,203 USD
View
Price last confirmed 32 days ago
B
Retailer 14
-
$3,535 AUD
€2,365 EUR
View
B
Retailer 15
-
$3,879 AUD
$2,725 USD
View
B
Retailer 16
-
$4,446 AUD
SGD 4,220 SGD
View
B
Retailer 17
-
$4,872 AUD
£2,695 GBP
View
Most Expensive
B
Do Amore Diamonds
27-3148C212F · Nov 2
$8,556 AUD
$6,010 USD
View
17 more retailers have this diamond
Prices start from $1,357 AUDSave up to $7,199 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
5.18ct Round
$1,357 AUD