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Cushion|Lab Grown|IGI

1.30ct D VVS1 Cushion Lab Grown Diamond

VG • D/VVS1 • IGI LG817678140

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG817678140

Diamond specifications and retailer prices

From $661 AUD
€441 EUR
As of October 27, 2026
Save $1,808 AUD (73%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,469 AUD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.3ct lab-grown cushion diamond

This 1.3ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI LG817678140 or 817678140. Listed at 13 retailers as of October 27, 2026, with prices from $661 to $2,469, a $1,808 spread on the same certified stone. Brilliant Earth lists it at $2,469. 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
D
Colour
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.6°
Pavilion angle37°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817678140
Dimensions7.20 × 5.59 × 3.85 mm
L/W Ratio1.29
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.20 mm5.59 mm1.30 ctD / VVS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817678140
Side View
Table 66.0%Crown 39.6°Girdle: MED-STKPavilion 37°Culet: NoneDepth 68.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: $2,469 AUD|Low: $315 AUD|High: $2,540 AUD|Avg: $1,084 AUD|-1.7%
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
Retailer 16
October 25, 2026
Retailer 13$321 AUD
Retailer 6$485 AUD
Retailer 3$610 AUD
Retailer 10$639 AUD
Retailer 2$661 AUD
Retailer 5$819 AUD
Retailer 4$883 AUD
Retailer 12$936 AUD
Retailer 15$1,161 AUD
Retailer 11$1,211 AUD
Retailer 14$1,224 AUD
Retailer 8$1,370 AUD
Retailer 7$1,581 AUD
Retailer 9$1,678 AUD
Retailer 16$1,776 AUD
Brilliant Earth$2,469 AUD

35 data points across 16 retailers

13 retailers$661 AUD to $2,469 AUD

Retailer 1
-
$485 AUD
$340 USD
Price last confirmed 15 days ago
Retailer 2
-
$610 AUD
ZAR 6,911 ZAR
View
Price last confirmed 15 days ago
Retailer 3
-
$639 AUD
£352 GBP
View
Price last confirmed 12 days ago
A
Retailer 4
-
$661 AUD
€441 EUR
View
Retailer 5
-
$819 AUD
$574 USD
View
Price last confirmed 14 days ago
Retailer 6
-
$883 AUD
View
Price last confirmed 15 days ago
Retailer 7
-
$936 AUD
$656 USD
View
Price last confirmed 12 days ago
Retailer 8
-
$1,161 AUD
SGD 1,100 SGD
View
Price last confirmed 12 days ago
Retailer 9
-
$1,224 AUD
$858 USD
View
Price last confirmed 12 days ago
Retailer 10
-
$1,581 AUD
View
Price last confirmed 30 days ago
Retailer 11
-
$1,678 AUD
£926 GBP
View
Price last confirmed 12 days ago
Retailer 12
-
$1,776 AUD
$1,245 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
20777286A · Oct 28
$2,469 AUD
$1,730 USD
View
12 more retailers have this diamond
Prices start from $661 AUDSave up to $1,808 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 Cushion
$661 AUD