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Marquise|Lab Grown|IGI

1.30ct E VVS1 Marquise Lab Grown Diamond

ID • E/VVS1 • IGI LG788675253

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG788675253

Diamond specifications and retailer prices

From $1,376 AUD
CA$1,343 CAD
As of October 30, 2026
Save $445 AUD (24%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,821 AUD at The Diamond Guys · As of October 30, 2026
View at The Diamond Guys

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 E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG788675253 or 788675253. Listed at 3 retailers as of October 30, 2026, with prices from $1,376 to $1,821, a $445 spread on the same certified stone. The Diamond Guys lists it at $1,821. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.30
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788675253
Dimensions10.65 × 5.68 × 3.70 mm
L/W Ratio1.88
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.65 mm5.68 mm1.30 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788675253
Side View
Table 58.0%Crown 37.9°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 65.1%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 30
Current: $1,598 AUD|Low: $282 AUD|High: $3,388 AUD|Avg: $1,451 AUD|+3.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
The Diamond Guys
August 3, 2026
Retailer 11$760 AUD
Retailer 2$874 AUD
Retailer 7$938 AUD
Retailer 8$962 AUD
Retailer 5$967 AUD
Retailer 13$1,200 AUD
Retailer 9$1,376 AUD
Retailer 6$1,460 AUD
Retailer 4$1,545 AUD
Retailer 12$1,584 AUD
Retailer 1$1,598 AUD
Retailer 10$1,704 AUD
The Diamond Guys$1,821 AUD
Retailer 3$3,175 AUD

33 data points across 14 retailers

3 retailers$1,376 AUD to $1,821 AUD

B+
Cheapest Retailer
-
$1,376 AUD
CA$1,343 CAD
Retailer 2
-
$1,598 AUD
View
Price last confirmed 123 days ago
Most Expensive
B
The Diamond Guys
1955241230 · Oct 30
$1,821 AUD
$1,279 USD
View
2 more retailers have this diamond
Prices start from $1,376 AUDSave up to $445 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
$1,376 AUD