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Round|Lab Grown|IGI

5.18ct G VS2 Round Lab Grown Diamond

ID • G/VS2 • IGI LG621455574

Shape and cutting style on the report: Round brilliant

Certificate IGI LG621455574

Diamond specifications and retailer prices

From $1,008 AUD
$708 USD
As of October 29, 2026
Save $5,028 AUD (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $6,036 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG621455574 or 621455574. Listed at 17 retailers as of October 29, 2026, with prices from $1,008 to $6,036, a $5,028 spread on the same certified stone. Brilliant Earth lists it at $6,036. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

5.18
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621455574
Dimensions11.11 × 11.08 × 6.85 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
11.11 mm11.08 mm5.18 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621455574
Side View
Table 57.0%Crown 34.6°Girdle: MediumPavilion 41°Culet: NoneDepth 61.7%

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: $6,036 AUD|Low: $964 AUD|High: $6,036 AUD|Avg: $2,374 AUD
Brilliant Earth
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
Retailer 17
October 31, 2026
Retailer 4$1,008 AUD
Retailer 14$1,098 AUD
Retailer 15$1,170 AUD
Retailer 17$1,170 AUD
Retailer 16$1,539 AUD
Retailer 5$1,826 AUD
Retailer 10$1,865 AUD
Retailer 11$1,869 AUD
Retailer 8$1,901 AUD
Retailer 2$1,910 AUD
Retailer 6$2,621 AUD
Retailer 13$2,880 AUD
Retailer 3$3,289 AUD
Retailer 9$3,988 AUD
Retailer 7$4,032 AUD
Retailer 12$4,618 AUD
Brilliant Earth$6,036 AUD

40 data points across 17 retailers

17 retailers$1,008 AUD to $6,036 AUD

A
Cheapest Retailer
-
$1,008 AUD
$708 USD
A
Retailer 2
-
$1,098 AUD
$771 USD
View
Retailer 3
-
$1,170 AUD
$822 USD
View
Price last confirmed 14 days ago
A
Retailer 4
-
$1,170 AUD
$822 USD
View
Retailer 5
-
$1,539 AUD
£851 GBP
View
Price last confirmed 14 days ago
A
Retailer 6
-
$1,826 AUD
$1,283 USD
View
B+
Retailer 7
-
$1,865 AUD
$1,310 USD
View
A
Retailer 8
-
$1,869 AUD
£1,034 GBP
View
B+
Retailer 9
-
$1,901 AUD
$1,335 USD
View
A
Retailer 10
-
$1,910 AUD
€1,278 EUR
View
B+
Retailer 11
-
$2,621 AUD
$1,841 USD
View
B+
Retailer 12
-
$2,880 AUD
$2,023 USD
View
B+
Retailer 13
-
$3,289 AUD
$2,310 USD
View
B
Retailer 14
-
$3,988 AUD
$2,801 USD
View
Retailer 15
-
$4,032 AUD
$2,832 USD
View
Price last confirmed 13 days ago
B
Retailer 16
-
$4,618 AUD
£2,554 GBP
View
Most Expensive
B
Brilliant Earth
9287301A · Oct 29
$6,036 AUD
$4,240 USD
View
16 more retailers have this diamond
Prices start from $1,008 AUDSave up to $5,028 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
$1,008 AUD