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Cushion|Lab Grown|IGI

3.10ct D VVS1 Cushion Lab Grown Diamond

EX • D/VVS1 • IGI LG728578057

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG728578057

Diamond specifications and retailer prices

From $1,502 AUD
As of November 4, 2026
Save $8,975 AUD (86%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $13,528 AUD at Brilliant Earth · As of September 28, 2026
View at Brilliant Earth

About this 3.1ct lab-grown cushion diamond

This 3.1ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG728578057 or 728578057. Listed at 20 retailers as of November 4, 2026, with a 597% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.10
Carat
D
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG728578057
Dimensions7.88 × 7.88 × 5.26 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
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
7.88 mm7.88 mm3.10 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG728578057
Side View
Table 60.0%Crown 34.6°Girdle: MED-STKPavilion 37.6°Culet: NoneDepth 66.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $2,302 AUD|Low: $1,319 AUD|High: $10,477 AUD|Avg: $3,885 AUD|-8.6%
Retailer 1
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
November 5, 2026
Retailer 12$1,502 AUD
Retailer 18$1,732 AUD
Retailer 7$1,790 AUD
Retailer 9$1,952 AUD
Retailer 3$2,281 AUD
Retailer 1$2,302 AUD
Retailer 4$2,326 AUD
Retailer 15$2,419 AUD
Retailer 16$3,410 AUD
Retailer 13$3,510 AUD
Retailer 2$3,889 AUD
Retailer 10$4,171 AUD
Retailer 6$4,515 AUD
Retailer 14$5,120 AUD
Retailer 11$5,383 AUD
Retailer 17$5,388 AUD
Retailer 8$5,636 AUD
Retailer 19$5,819 AUD
Retailer 5$10,477 AUD

41 data points across 19 retailers

20 retailers$1,502 AUD to $10,477 AUD

A
Cheapest Retailer
-
$1,502 AUD
Final sale: no returns
A
Retailer 2
-
$1,732 AUD
View
A
Retailer 3
-
$1,790 AUD
View
A
Retailer 4
-
$1,952 AUD
View
A
Retailer 5
-
$2,281 AUD
View
A
Retailer 6
-
$2,302 AUD
View
A
Retailer 7
-
$2,326 AUD
View
A
Retailer 8
-
$2,419 AUD
View
B+
Retailer 9
-
$3,410 AUD
View
B+
Retailer 10
-
$3,510 AUD
View
B+
Retailer 11
-
$3,889 AUD
View
B+
Retailer 12
-
$4,171 AUD
View
B+
Retailer 13
-
$4,515 AUD
View
B+
Retailer 14
-
$5,120 AUD
View
B
Retailer 15
-
$5,383 AUD
View
Retailer 16
-
$5,388 AUD
View
Price last confirmed 15 days ago
B
Retailer 17
-
$5,636 AUD
View
Retailer 18
-
$5,819 AUD
View
Price last confirmed 28 days ago
B
Retailer 19
-
$10,477 AUD
View
Most Expensive
Brilliant Earth
20870081Y · Sep 28
$13,528 AUD
$9,490 USD
View
Price last confirmed 37 days ago
19 more retailers have this diamond
Prices start from $1,502 AUDSave up to $8,975 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
3.10ct Cushion
$1,502 AUD