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Cushion|Lab Grown|IGI

1.35ct G VVS1 Cushion Lab Grown Diamond

ID • G/VVS1 • IGI LG840630374

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG840630374

Diamond specifications and retailer prices

From $347 AUD
$244 USD
As of October 30, 2026
Save $1,949 AUD (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,296 AUD at Helzberg Diamonds · As of October 31, 2026
View at Helzberg Diamonds

About this 1.35ct lab-grown cushion diamond

This 1.35ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG840630374 or 840630374. Listed at 16 retailers as of October 30, 2026, with prices from $347 to $2,296, a $1,949 spread on the same certified stone. Helzberg Diamonds lists it at $2,296. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.35
Carat
G
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.7°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840630374
Dimensions7.96 × 5.40 × 3.75 mm
L/W Ratio1.47
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.96 mm5.40 mm1.35 ctG / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840630374
Side View
Table 62.0%Crown 38.7°Girdle: STK-THKPavilion 34.4°Culet: NoneDepth 69.4%

Caratlytics Score

How it works →
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: $2,296 AUD|Low: $330 AUD|High: $2,306 AUD|Avg: $1,116 AUD
Helzberg Diamonds
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
November 1, 2026
Retailer 15$347 AUD
Retailer 9$427 AUD
Retailer 11$644 AUD
Retailer 16$658 AUD
Retailer 3$660 AUD
Retailer 10$707 AUD
Retailer 14$736 AUD
Retailer 5$938 AUD
Retailer 4$974 AUD
Retailer 12$1,001 AUD
Retailer 6$1,249 AUD
Retailer 7$1,310 AUD
Retailer 2$1,539 AUD
Retailer 8$1,545 AUD
Retailer 13$1,908 AUD
Helzberg Diamonds$2,296 AUD

20 data points across 16 retailers

16 retailers$347 AUD to $2,296 AUD

A
Cheapest Retailer
-
$347 AUD
$244 USD
Final sale: no returns
A
Retailer 2
-
$427 AUD
£236 GBP
View
A
Retailer 3
-
$644 AUD
€431 EUR
View
A
Retailer 4
-
$658 AUD
$462 USD
View
A
Retailer 5
-
$660 AUD
ZAR 7,487 ZAR
View
A
Retailer 6
-
$707 AUD
£391 GBP
View
A
Retailer 7
-
$736 AUD
$517 USD
View
B+
Retailer 8
-
$938 AUD
View
B+
Retailer 9
-
$974 AUD
$684 USD
View
B+
Retailer 10
-
$1,001 AUD
$703 USD
View
B+
Retailer 11
-
$1,249 AUD
SGD 1,186 SGD
View
B+
Retailer 12
-
$1,310 AUD
$920 USD
View
B
Retailer 13
-
$1,539 AUD
£851 GBP
View
Retailer 14
-
$1,545 AUD
$1,085 USD
View
Price last confirmed 13 days ago
B
Retailer 15
-
$1,908 AUD
$1,340 USD
View
Most Expensive
B
Helzberg Diamonds
ZXZOKGMJGJNK · Oct 31
$2,296 AUD
$1,613 USD
View
15 more retailers have this diamond
Prices start from $347 AUDSave up to $1,949 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
1.35ct Cushion
$347 AUD