Cushion|Lab Grown|IGI

1.99ct E VVS1 Cushion Lab Grown Diamond

E/VVS1 • IGI LG780689436

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG780689436

Diamond specifications and retailer prices

From $2,947 AUD
$2,070 USD
As of October 30, 2026
11 retailers carry this diamond
Most expensive: $5,452 AUD at Brilliant Earth · As of October 17, 2026
View at Brilliant Earth

About this 1.99ct lab-grown cushion diamond

This 1.99ct lab-grown cushion sits in the one-and-a-half to two carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included) and certified by IGI LG780689436 or 780689436. Listed at 11 retailers as of October 30, 2026. 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

1.99
Carat
E
Colour
VVS1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780689436
Dimensions6.61 × 6.61 × 8.55 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
6.61 mm6.61 mm1.99 ctE / VVS1
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780689436
Side View
Table 63.0%Crown 35°Girdle: STK-THKPavilion 37.5°Culet: NoneDepth 67.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 30
Current: $5,452 AUD|Low: $333 AUD|High: $5,595 AUD|Avg: $1,849 AUD|-2.5%
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
October 16, 2026
Retailer 10$333 AUD
Retailer 14$379 AUD
Retailer 2$789 AUD
Retailer 19$850 AUD
Retailer 4$891 AUD
Retailer 16$897 AUD
Retailer 8$945 AUD
Retailer 9$977 AUD
Retailer 7$1,090 AUD
Retailer 5$1,119 AUD
Retailer 17$1,130 AUD
Retailer 6$1,179 AUD
Retailer 21$1,620 AUD
Retailer 11$1,960 AUD
Retailer 12$2,310 AUD
Retailer 15$2,436 AUD
Retailer 3$2,453 AUD
Retailer 13$2,743 AUD
Retailer 22$2,947 AUD
Retailer 18$3,534 AUD
Retailer 20$4,798 AUD
Brilliant Earth$5,452 AUD

17 data points across 22 retailers

11 retailers

Retailer 1
-
$789 AUD
£436 GBP
Price last confirmed 14 days ago
Retailer 2
-
$850 AUD
$597 USD
View
Price last confirmed 15 days ago
Retailer 3
-
$891 AUD
$626 USD
View
Price last confirmed 14 days ago
Retailer 4
-
$897 AUD
$630 USD
View
Price last confirmed 14 days ago
Retailer 5
-
$1,119 AUD
$786 USD
View
Price last confirmed 17 days ago
Retailer 6
-
$1,179 AUD
$828 USD
View
Price last confirmed 13 days ago
Retailer 7
-
$1,620 AUD
$1,138 USD
View
Price last confirmed 18 days ago
Retailer 8
-
$2,453 AUD
View
Price last confirmed 22 days ago
Retailer 9
-
$2,743 AUD
£1,517 GBP
View
Price last confirmed 15 days ago
B
Retailer 10
-
$2,947 AUD
$2,070 USD
View
Most Expensive
Brilliant Earth
21683790A · Oct 17
$5,452 AUD
$3,830 USD
View
Price last confirmed 13 days ago
10 more retailers have this diamond
Prices start from $2,947 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
1.99ct Cushion
$2,947 AUD