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Cushion|Lab Grown|IGI

3.12ct I VS1 Cushion Lab Grown Diamond

ID • I/VS1 • IGI LG557237375

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG557237375

Diamond specifications and retailer prices

From $817 AUD
As of November 4, 2026
Save $5,655 AUD (87%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $6,472 AUD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

About this 3.12ct lab-grown cushion diamond

This 3.12ct lab-grown cushion sits in the three to five carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG557237375 or 557237375. Listed at 9 retailers as of November 4, 2026, with prices from $817 to $6,472, a $5,655 spread on the same certified stone. Do Amore Diamonds lists it at $6,472. 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

3.12
Carat
I
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG557237375
Dimensions8.55 × 8.47 × 5.73 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.55 mm8.47 mm3.12 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG557237375
Side View
Table 59.5%Crown 35.5°Girdle: THN-MEDPavilion 40.2°Culet: NoneDepth 67.7%

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: Nov 4
Current: $6,215 AUD|Low: $583 AUD|High: $6,472 AUD|Avg: $2,313 AUD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 4, 2026
Retailer 6$817 AUD
Retailer 2$1,053 AUD
Retailer 7$1,311 AUD
Retailer 8$1,398 AUD
Retailer 5$1,403 AUD
Retailer 4$1,404 AUD
Retailer 3$4,335 AUD
Do Amore Diamonds$6,215 AUD

37 data points across 8 retailers

9 retailers$817 AUD to $6,472 AUD

A
Cheapest Retailer
-
$817 AUD
Final sale: no returns
A
Retailer 2
-
$1,053 AUD
View
A
Retailer 3
-
$1,311 AUD
View
A
Retailer 4
-
$1,398 AUD
View
A
Retailer 5
-
$1,403 AUD
View
A
Retailer 6
-
$1,404 AUD
View
B
Retailer 7
-
$4,335 AUD
View
B
Retailer 8
-
$6,215 AUD
View
Most Expensive
B
Do Amore Diamonds
27-3908C0E64 · Nov 4
$6,472 AUD
$4,540 USD
View
8 more retailers have this diamond
Prices start from $817 AUDSave up to $5,655 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
3.12ct Cushion
$817 AUD