Cushion|Lab Grown|IGI

4.00ct G VVS2 Cushion Lab Grown Diamond

ID • G/VVS2 • IGI LG817634491

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG817634491

Diamond specifications and retailer prices

From $932 AUD
£515 GBP
As of October 27, 2026
Save $5,574 AUD (86%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $6,506 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 4ct lab-grown cushion diamond

This 4ct lab-grown cushion sits in the three to five carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG817634491 or 817634491. Listed at 20 retailers as of October 27, 2026, with prices from $932 to $6,506, a $5,574 spread on the same certified stone. Brilliant Earth lists it at $6,506. 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

4.00
Carat
G
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle28.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817634491
Dimensions10.68 × 7.98 × 5.10 mm
L/W Ratio1.34
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.68 mm7.98 mm4.00 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817634491
Side View
Table 61.0%Crown 35.5°Girdle: MED-THKPavilion 28.1°Culet: NoneDepth 63.9%

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 27
Current: $6,506 AUD|Low: $813 AUD|High: $7,346 AUD|Avg: $2,380 AUD|-11.4%
Brilliant Earth
Retailer 2
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Retailer 21
October 31, 2026
Retailer 7$813 AUD
Retailer 18$932 AUD
Retailer 21$984 AUD
Retailer 17$1,039 AUD
Retailer 16$1,323 AUD
Retailer 8$1,358 AUD
Retailer 19$1,388 AUD
Retailer 9$1,401 AUD
Retailer 20$1,779 AUD
Retailer 5$1,821 AUD
Retailer 6$2,104 AUD
Retailer 2$2,124 AUD
Retailer 14$2,625 AUD
Retailer 13$2,856 AUD
Retailer 12$2,935 AUD
Retailer 10$2,967 AUD
Retailer 4$3,347 AUD
Retailer 3$3,786 AUD
Retailer 15$3,946 AUD
Retailer 11$4,328 AUD
Brilliant Earth$6,506 AUD

26 data points across 21 retailers

20 retailers$932 AUD to $6,506 AUD

A
Cheapest Retailer
-
$932 AUD
£515 GBP
A
Retailer 2
-
$984 AUD
HK$5,400 HKD
View
A
Retailer 3
-
$1,039 AUD
$730 USD
View
A
Retailer 4
-
$1,323 AUD
€885 EUR
View
A
Retailer 5
-
$1,358 AUD
$954 USD
View
A
Retailer 6
-
$1,388 AUD
£768 GBP
View
B+
Retailer 7
-
$1,401 AUD
$984 USD
View
Retailer 8
-
$1,779 AUD
ZAR 20,191 ZAR
View
Price last confirmed 7 days ago
Retailer 9
-
$1,821 AUD
View
Price last confirmed 11 days ago
A
Retailer 10
-
$2,104 AUD
$1,478 USD
View
A
Retailer 11
-
$2,124 AUD
$1,492 USD
View
A
Retailer 12
-
$2,625 AUD
£1,452 GBP
View
B+
Retailer 13
-
$2,856 AUD
SGD 2,711 SGD
View
B+
Retailer 14
-
$2,935 AUD
$2,062 USD
View
B+
Retailer 15
-
$2,967 AUD
$2,084 USD
View
B+
Retailer 16
-
$3,347 AUD
$2,351 USD
View
Retailer 17
-
$3,786 AUD
£2,094 GBP
View
Price last confirmed 10 days ago
B+
Retailer 18
-
$3,946 AUD
$2,772 USD
View
Retailer 19
-
$4,328 AUD
$3,040 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Brilliant Earth
20781844A · Oct 30
$6,506 AUD
$4,570 USD
View
19 more retailers have this diamond
Prices start from $932 AUDSave up to $5,574 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
4.00ct Cushion
$932 AUD