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Cushion|Lab Grown|IGI

3.48ct E VS1 Cushion Lab Grown Diamond

ID • E/VS1 • IGI LG821690775

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG821690775

Diamond specifications and retailer prices

From $929 AUD
HK$5,100 HKD
As of October 30, 2026
Save $4,865 AUD (84%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $5,794 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.48ct lab-grown cushion diamond

This 3.48ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG821690775 or 821690775. Listed at 26 retailers as of October 30, 2026, with prices from $929 to $5,794, a $4,865 spread on the same certified stone. Brilliant Earth lists it at $5,794. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.48
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle32.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821690775
Dimensions10.20 × 7.78 × 4.93 mm
L/W Ratio1.31
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.20 mm7.78 mm3.48 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821690775
Side View
Table 67.0%Crown 33.8°Girdle: MED-STKPavilion 32.3°Culet: NoneDepth 63.4%

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: Oct 30
Current: $5,794 AUD|Low: $789 AUD|High: $5,794 AUD|Avg: $2,286 AUD
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
October 31, 2026
Retailer 8$789 AUD
Retailer 14$929 AUD
Retailer 19$1,001 AUD
Retailer 16$1,244 AUD
Retailer 18$1,324 AUD
Retailer 9$1,360 AUD
Retailer 3$1,446 AUD
Retailer 6$1,861 AUD
Retailer 5$1,882 AUD
Retailer 2$1,960 AUD
Retailer 12$2,366 AUD
Retailer 13$2,682 AUD
Retailer 11$2,850 AUD
Retailer 10$3,042 AUD
Retailer 7$3,273 AUD
Retailer 4$3,656 AUD
Retailer 15$3,691 AUD
Retailer 17$4,669 AUD
Brilliant Earth$5,794 AUD

25 data points across 19 retailers

26 retailers$929 AUD to $5,794 AUD

A
Cheapest Retailer
-
$929 AUD
HK$5,100 HKD
A
Retailer 2
-
$1,001 AUD
£554 GBP
View
A
Retailer 3
-
$1,244 AUD
€832 EUR
View
A
Retailer 4
-
$1,324 AUD
$930 USD
View
B+
Retailer 5
-
$1,360 AUD
$955 USD
View
A
Retailer 6
-
$1,446 AUD
£800 GBP
View
Retailer 7
-
$1,861 AUD
View
Price last confirmed 11 days ago
Retailer 8
-
$1,882 AUD
ZAR 21,357 ZAR
View
Price last confirmed 7 days ago
A
Retailer 9
-
$1,960 AUD
$1,377 USD
View
A
Retailer 10
-
$2,366 AUD
$1,662 USD
View
Retailer 11
-
$2,538 AUD
£1,404 GBP
View
Price last confirmed 26 days ago
B+
Retailer 12
-
$2,682 AUD
SGD 2,546 SGD
View
B+
Retailer 13
-
$2,850 AUD
$2,002 USD
View
B+
Retailer 14
-
$3,042 AUD
$2,137 USD
View
B+
Retailer 15
-
$3,273 AUD
$2,299 USD
View
Retailer 16
-
$3,613 AUD
View
Price last confirmed 28 days ago
B+
Retailer 17
-
$3,656 AUD
£2,022 GBP
View
B+
Retailer 18
-
$3,691 AUD
$2,593 USD
View
B
Retailer 19
-
$4,207 AUD
$2,955 USD
View
B
Retailer 20
-
$4,662 AUD
$3,275 USD
View
B
Retailer 21
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$4,669 AUD
$3,280 USD
View
B
Retailer 22
-
$4,719 AUD
$3,315 USD
View
Retailer 23
-
$4,719 AUD
$3,315 USD
View
Price last confirmed 26 days ago
B
Retailer 24
-
$4,741 AUD
$3,330 USD
View
Retailer 25
-
$4,776 AUD
$3,355 USD
View
Price last confirmed 26 days ago
Most Expensive
B
Brilliant Earth
20800641A · Oct 30
$5,794 AUD
$4,070 USD
View
25 more retailers have this diamond
Prices start from $929 AUDSave up to $4,865 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
3.48ct Cushion
$929 AUD