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Cushion|Lab Grown|IGI

3.12ct I VVS1 Cushion Lab Grown Diamond

ID • I/VVS1 • IGI LG831621876

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

Certificate IGI LG831621876

Diamond specifications and retailer prices

From $2,296 AUD
$1,613 USD
As of November 1, 2026
Save $6,077 AUD (73%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $8,373 AUD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG831621876 or 831621876. Listed at 18 retailers as of October 31, 2026, with prices from $2,296 to $8,373, a $6,077 spread on the same certified stone. Taylor and Hart lists it at $8,373. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle31.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831621876
Dimensions8.41 × 8.02 × 5.02 mm
L/W Ratio1.05
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 Light Blue
Top View
8.41 mm8.02 mm3.12 ctI / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831621876
Side View
Table 62.0%Crown 36.7°Girdle: ThickPavilion 31.2°Culet: NoneDepth 62.6%

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 1
Current: $6,794 AUD|Low: $2,296 AUD|High: $8,373 AUD|Avg: $4,533 AUD
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
Taylor and Hart
November 1, 2026
Retailer 7$2,296 AUD
Retailer 2$2,379 AUD
Retailer 9$2,517 AUD
Retailer 17$2,619 AUD
Retailer 4$2,692 AUD
Retailer 11$2,718 AUD
Retailer 6$2,752 AUD
Retailer 10$3,570 AUD
Retailer 12$3,622 AUD
Retailer 15$3,807 AUD
Retailer 13$4,043 AUD
Retailer 14$5,524 AUD
Retailer 16$5,702 AUD
Retailer 5$5,749 AUD
Retailer 8$5,863 AUD
Retailer 1$6,794 AUD
Retailer 3$7,957 AUD
Taylor and Hart$8,373 AUD

43 data points across 18 retailers

18 retailers$2,296 AUD to $8,373 AUD

A
Cheapest Retailer
-
$2,296 AUD
$1,613 USD
Final sale: no returns
Retailer 2
-
$2,379 AUD
$1,671 USD
View
Price last confirmed 20 days ago
B+
Retailer 3
-
$2,517 AUD
$1,768 USD
View
B+
Retailer 4
-
$2,619 AUD
$1,840 USD
View
B+
Retailer 5
-
$2,692 AUD
$1,891 USD
View
B+
Retailer 6
-
$2,718 AUD
£1,503 GBP
View
B+
Retailer 7
-
$2,752 AUD
HK$15,100 HKD
View
B+
Retailer 8
-
$3,570 AUD
$2,508 USD
View
B+
Retailer 9
-
$3,622 AUD
€2,423 EUR
View
B
Retailer 10
-
$3,807 AUD
$2,674 USD
View
B
Retailer 11
-
$4,043 AUD
$2,840 USD
View
B
Retailer 12
-
$5,524 AUD
ZAR 62,692 ZAR
View
B
Retailer 13
-
$5,702 AUD
$4,005 USD
View
B
Retailer 14
-
$5,749 AUD
£3,180 GBP
View
B
Retailer 15
-
$5,863 AUD
$4,118 USD
View
B
Retailer 16
-
$6,794 AUD
£3,758 GBP
View
B
Retailer 17
-
$7,957 AUD
SGD 7,553 SGD
View
Most Expensive
B
Taylor and Hart
49XGH37 · Oct 31
$8,373 AUD
$5,882 USD
View
17 more retailers have this diamond
Prices start from $2,296 AUDSave up to $6,077 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
$2,296 AUD