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Round|Lab Grown|IGI

5.38ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG608359015

Shape and cutting style on the report: Round brilliant

Certificate IGI LG608359015

Diamond specifications and retailer prices

From $837 AUD
$588 USD
As of November 1, 2026
Save $4,131 AUD (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,968 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 5.38ct lab-grown round diamond

This 5.38ct 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 LG608359015 or 608359015. Listed at 15 retailers as of October 31, 2026, with prices from $837 to $4,968, a $4,131 spread on the same certified stone. Brilliant Earth lists it at $4,968. 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

5.38
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG608359015
Dimensions11.21 × 11.17 × 6.95 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
11.21 mm11.17 mm5.38 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG608359015
Side View
Table 57.0%Crown 34.9°Girdle: MediumPavilion 40.9°Culet: NoneDepth 62.1%

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: $4,968 AUD|Low: $837 AUD|High: $9,851 AUD|Avg: $2,379 AUD|-49.6%
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
November 2, 2026
Retailer 4$837 AUD
Retailer 10$938 AUD
Retailer 14$1,039 AUD
Retailer 15$1,039 AUD
Retailer 13$1,278 AUD
Retailer 5$1,597 AUD
Retailer 9$1,602 AUD
Retailer 8$1,605 AUD
Retailer 2$1,638 AUD
Retailer 6$1,667 AUD
Retailer 11$2,577 AUD
Retailer 7$2,646 AUD
Retailer 3$2,732 AUD
Retailer 12$4,533 AUD
Brilliant Earth$4,968 AUD

39 data points across 15 retailers

15 retailers$837 AUD to $4,968 AUD

A
Cheapest Retailer
-
$837 AUD
$588 USD
A
Retailer 2
-
$938 AUD
$659 USD
View
A
Retailer 3
-
$1,039 AUD
$730 USD
View
Retailer 4
-
$1,039 AUD
$730 USD
View
Price last confirmed 17 days ago
Retailer 5
-
$1,278 AUD
£707 GBP
View
Price last confirmed 16 days ago
B+
Retailer 6
-
$1,597 AUD
$1,122 USD
View
B+
Retailer 7
-
$1,602 AUD
$1,125 USD
View
B+
Retailer 8
-
$1,605 AUD
£888 GBP
View
B+
Retailer 9
-
$1,638 AUD
€1,096 EUR
View
B+
Retailer 10
-
$1,667 AUD
$1,171 USD
View
B
Retailer 11
-
$2,577 AUD
$1,810 USD
View
B
Retailer 12
-
$2,646 AUD
$1,859 USD
View
B
Retailer 13
-
$2,732 AUD
$1,919 USD
View
Retailer 14
-
$4,533 AUD
£2,507 GBP
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
8716969A · Oct 31
$4,968 AUD
$3,490 USD
View
14 more retailers have this diamond
Prices start from $837 AUDSave up to $4,131 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
5.38ct Round
$837 AUD