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Marquise|Lab Grown|IGI

5.38ct G SI1 Marquise Lab Grown Diamond

ID • G/SI1 • IGI LG647480951

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG647480951

Diamond specifications and retailer prices

From $949 AUD
$665 USD
As of November 2, 2026
Save $4,971 AUD (84%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $5,920 AUD at Adiamor · As of November 2, 2026
View at Adiamor

About this 5.38ct lab-grown marquise diamond

This 5.38ct lab-grown marquise 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 LG647480951 or 647480951. Listed at 13 retailers as of November 2, 2026, with prices from $949 to $5,920, a $4,971 spread on the same certified stone. Adiamor lists it at $5,920. 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 angle35.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG647480951
Dimensions18.20 × 9.29 × 5.77 mm
L/W Ratio1.96
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.20 mm9.29 mm5.38 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG647480951
Side View
Table 60.0%Crown 35.2°Girdle: MED-STKPavilion 40.6°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 2
Current: $5,920 AUD|Low: $949 AUD|High: $8,091 AUD|Avg: $3,218 AUD
Adiamor
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
November 2, 2026
Retailer 13$949 AUD
Retailer 6$1,032 AUD
Retailer 14$1,100 AUD
Retailer 2$1,250 AUD
Retailer 17$1,297 AUD
Retailer 15$1,356 AUD
Retailer 16$1,685 AUD
Retailer 10$1,760 AUD
Retailer 4$1,794 AUD
Retailer 7$2,056 AUD
Retailer 12$2,810 AUD
Retailer 3$3,094 AUD
Retailer 11$4,634 AUD
Adiamor$5,920 AUD
Retailer 5$5,993 AUD
Retailer 9$7,548 AUD
Retailer 8$8,091 AUD

6 data points across 17 retailers

13 retailers$949 AUD to $5,920 AUD

A
Cheapest Retailer
-
$949 AUD
$665 USD
A
Retailer 2
-
$1,032 AUD
$723 USD
View
A
Retailer 3
-
$1,100 AUD
$771 USD
View
A
Retailer 4
-
$1,250 AUD
£690 GBP
View
A
Retailer 5
-
$1,297 AUD
HK$7,100 HKD
View
A
Retailer 6
-
$1,356 AUD
$950 USD
View
A
Retailer 7
-
$1,685 AUD
$1,181 USD
View
A
Retailer 8
-
$1,760 AUD
£971 GBP
View
B+
Retailer 9
-
$1,794 AUD
$1,257 USD
View
B+
Retailer 10
-
$2,810 AUD
$1,969 USD
View
B
Retailer 11
-
$3,094 AUD
$2,168 USD
View
B
Retailer 12
-
$4,634 AUD
£2,557 GBP
View
Most Expensive
B
Adiamor
D-82832620 · Nov 2
$5,920 AUD
$4,149 USD
View
12 more retailers have this diamond
Prices start from $949 AUDSave up to $4,971 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 Marquise
$949 AUD