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Marquise|Lab Grown|IGI

1.30ct G VS1 Marquise Lab Grown Diamond

VG • G/VS1 • IGI LG801682739

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG801682739

Diamond specifications and retailer prices

From $446 AUD
As of November 4, 2026
Save $1,211 AUD (73%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,657 AUD at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

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 LG801682739 or 801682739. Listed at 13 retailers as of November 4, 2026, with prices from $446 to $1,657, a $1,211 spread on the same certified stone. Brilliant Earth lists it at $1,657. 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
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle29.3°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801682739
Dimensions12.19 × 5.71 × 3.18 mm
L/W Ratio2.13
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.19 mm5.71 mm1.30 ctG / VS1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG801682739
Side View
Table 65.0%Crown 29.3°Girdle: STK-VTKPavilion 38.1°Culet: NoneDepth 55.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $1,657 AUD|Low: $426 AUD|High: $2,028 AUD|Avg: $901 AUD|-18.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 3$446 AUD
Retailer 9$556 AUD
Retailer 6$569 AUD
Retailer 7$596 AUD
Retailer 5$720 AUD
Retailer 10$796 AUD
Retailer 2$829 AUD
Retailer 4$831 AUD
Retailer 11$1,141 AUD
Retailer 8$1,550 AUD
Brilliant Earth$1,657 AUD

35 data points across 11 retailers

13 retailers$446 AUD to $1,657 AUD

B+
Cheapest Retailer
-
$446 AUD
Retailer 2
-
$556 AUD
View
Price last confirmed 10 days ago
Retailer 3
-
$569 AUD
View
Price last confirmed 10 days ago
Retailer 4
-
$577 AUD
View
Price last confirmed 21 days ago
Retailer 5
-
$596 AUD
View
Price last confirmed 10 days ago
B+
Retailer 6
-
$720 AUD
View
Retailer 7
-
$796 AUD
View
Price last confirmed 11 days ago
B+
Retailer 8
-
$829 AUD
View
B+
Retailer 9
-
$831 AUD
View
Retailer 10
-
$1,141 AUD
View
Price last confirmed 10 days ago
B
Retailer 11
-
$1,314 AUD
View
Retailer 12
-
$1,550 AUD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
20120883A · Nov 5
$1,657 AUD
$1,160 USD
View
12 more retailers have this diamond
Prices start from $446 AUDSave up to $1,211 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.

B+
1.30ct Marquise
$446 AUD