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Cushion|Lab Grown|IGI

1.99ct E VS1 Cushion Lab Grown Diamond

EX • E/VS1 • IGI LG786670056

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG786670056

Diamond specifications and retailer prices

From $621 AUD
$434 USD
As of November 3, 2026
Save $3,374 AUD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,995 AUD at Brilliant Earth · As of November 3, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG786670056 or 786670056. Listed at 18 retailers as of November 3, 2026, with prices from $621 to $3,995, a $3,374 spread on the same certified stone. Brilliant Earth lists it at $3,995. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.99
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.8°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786670056
Dimensions8.35 × 6.54 × 4.48 mm
L/W Ratio1.28
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.35 mm6.54 mm1.99 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786670056
Side View
Table 60.0%Crown 36.8°Girdle: MED-THKPavilion 35.9°Culet: NoneDepth 68.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: $3,995 AUD|Low: $251 AUD|High: $4,224 AUD|Avg: $1,431 AUD|-4.1%
Brilliant Earth
Retailer 2
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November 3, 2026
Retailer 15$251 AUD
Retailer 8$451 AUD
Retailer 9$621 AUD
Retailer 20$646 AUD
Retailer 6$667 AUD
Retailer 21$673 AUD
Retailer 4$674 AUD
Retailer 16$756 AUD
Retailer 13$860 AUD
Retailer 14$872 AUD
Retailer 3$957 AUD
Retailer 10$1,111 AUD
Retailer 25$1,179 AUD
Retailer 22$1,284 AUD
Retailer 17$1,542 AUD
Retailer 7$1,619 AUD
Retailer 12$1,813 AUD
Retailer 19$1,894 AUD
Retailer 18$1,971 AUD
Retailer 23$2,069 AUD
Retailer 11$2,142 AUD
Retailer 24$2,220 AUD
Retailer 2$2,715 AUD
Retailer 5$3,580 AUD
Brilliant Earth$3,995 AUD

30 data points across 25 retailers

18 retailers$621 AUD to $3,995 AUD

A
Cheapest Retailer
-
$621 AUD
$434 USD
A
Retailer 2
-
$646 AUD
£355 GBP
View
B+
Retailer 3
-
$667 AUD
$466 USD
View
A
Retailer 4
-
$673 AUD
$470 USD
View
A
Retailer 5
-
$674 AUD
$471 USD
View
A
Retailer 6
-
$860 AUD
€572 EUR
View
A
Retailer 7
-
$957 AUD
$668 USD
View
Retailer 8
-
$1,111 AUD
$776 USD
View
Price last confirmed 21 days ago
B+
Retailer 9
-
$1,179 AUD
$823 USD
View
B+
Retailer 10
-
$1,284 AUD
View
B+
Retailer 11
-
$1,619 AUD
CA$1,571 CAD
View
B+
Retailer 12
-
$1,894 AUD
View
Retailer 13
-
$2,069 AUD
$1,445 USD
View
Price last confirmed 15 days ago
B
Retailer 14
-
$2,142 AUD
$1,496 USD
View
Retailer 15
-
$2,220 AUD
£1,221 GBP
View
Price last confirmed 16 days ago
B
Retailer 16
-
$2,715 AUD
$1,896 USD
View
B
Retailer 17
-
$3,580 AUD
$2,500 USD
View
Most Expensive
B
Brilliant Earth
21683134A · Nov 3
$3,995 AUD
$2,790 USD
View
17 more retailers have this diamond
Prices start from $621 AUDSave up to $3,374 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
1.99ct Cushion
$621 AUD