Marquise|Lab Grown|IGI

1.30ct G VS1 Marquise Lab Grown Diamond

VG • G/VS1 • IGI LG594328028

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG594328028

Diamond specifications and retailer prices

From $636 AUD
As of November 1, 2026
Save $1,107 AUD (64%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,742 AUD at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 1.3ct lab-grown marquise diamond

This 1.3ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG594328028 or 594328028. Listed at 17 retailers as of November 1, 2026, with prices from $636 to $1,742, a $1,107 spread on the same certified stone. Reve Diamonds lists it at $1,742. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.30
Carat
G
Colour
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG594328028
Dimensions12.54 × 5.64 × 3.34 mm
L/W Ratio2.22
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
12.54 mm5.64 mm1.30 ctG / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG594328028
Side View
Table 64.0%Crown 33.8°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 59.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $680 AUD|Low: $331 AUD|High: $1,742 AUD|Avg: $940 AUD|+4.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Reve Diamonds
November 3, 2026
Retailer 11$331 AUD
Retailer 5$636 AUD
Retailer 9$637 AUD
Retailer 1$680 AUD
Retailer 2$714 AUD
Retailer 10$721 AUD
Retailer 4$901 AUD
Retailer 7$1,093 AUD
Retailer 8$1,190 AUD
Retailer 3$1,261 AUD
Retailer 6$1,486 AUD
Reve Diamonds$1,742 AUD

38 data points across 12 retailers

17 retailers$636 AUD to $1,742 AUD

Retailer 1
-
$297 AUD
Price last confirmed 29 days ago
Retailer 2
-
$364 AUD
View
Price last confirmed 42 days ago
Retailer 3
-
$369 AUD
View
Price last confirmed 29 days ago
Retailer 4
-
$369 AUD
View
Price last confirmed 34 days ago
A
Retailer 5
-
$636 AUD
View
A
Retailer 6
-
$637 AUD
View
Retailer 7
-
$657 AUD
View
Price last confirmed 11 days ago
A
Retailer 8
-
$680 AUD
View
B+
Retailer 9
-
$714 AUD
View
B+
Retailer 10
-
$721 AUD
View
B+
Retailer 11
-
$901 AUD
View
B
Retailer 12
-
$1,093 AUD
View
Retailer 13
-
$1,186 AUD
View
Price last confirmed 37 days ago
B
Retailer 14
-
$1,190 AUD
View
B
Retailer 15
-
$1,261 AUD
View
Retailer 16
-
$1,486 AUD
View
Price last confirmed 8 days ago
Most Expensive
B
Reve Diamonds
D23F9432C · Nov 1
$1,742 AUD
$1,220 USD
View
16 more retailers have this diamond
Prices start from $636 AUDSave up to $1,107 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
1.30ct Marquise
$636 AUD