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Cushion|Lab Grown|IGI

3.15ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG819661498

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG819661498

Diamond specifications and retailer prices

From $1,090 AUD
$766 USD
As of October 31, 2026
Save $3,382 AUD (76%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $5,808 AUD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 3.15ct lab-grown cushion diamond

This 3.15ct 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 LG819661498 or 819661498. Listed at 18 retailers as of October 26, 2026, with a 310% 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

3.15
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG819661498
Dimensions10.56 × 7.39 × 4.77 mm
L/W Ratio1.43
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.56 mm7.39 mm3.15 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG819661498
Side View
Table 65.0%Crown 39°Girdle: MED-STKPavilion 34.1°Culet: NoneDepth 64.5%

Caratlytics Score

How it works →
A+
Exceptional
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: Oct 31
Current: $5,808 AUD|Low: $1,090 AUD|High: $5,808 AUD|Avg: $2,766 AUD
Rare Carat
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
October 31, 2026
Retailer 17$1,090 AUD
Retailer 9$1,153 AUD
Retailer 11$1,381 AUD
Retailer 16$1,620 AUD
Retailer 15$1,674 AUD
Retailer 2$1,750 AUD
Retailer 10$1,809 AUD
Retailer 14$2,551 AUD
Retailer 5$2,632 AUD
Retailer 13$3,011 AUD
Retailer 8$3,536 AUD
Retailer 6$3,681 AUD
Retailer 3$3,808 AUD
Retailer 4$3,896 AUD
Retailer 12$4,020 AUD
Retailer 7$4,473 AUD
Rare Carat$5,808 AUD

19 data points across 17 retailers

18 retailers$1,090 AUD to $4,473 AUD

A+
Cheapest Retailer
-
$1,090 AUD
$766 USD
Final sale: no returns
Retailer 2
-
$1,153 AUD
$810 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
$1,381 AUD
$970 USD
View
A
Retailer 4
-
$1,620 AUD
$1,138 USD
View
A
Retailer 5
-
$1,674 AUD
$1,176 USD
View
A
Retailer 6
-
$1,750 AUD
€1,171 EUR
View
A
Retailer 7
-
$1,809 AUD
£1,001 GBP
View
A
Retailer 8
-
$2,551 AUD
View
A
Retailer 9
-
$2,632 AUD
ZAR 29,870 ZAR
View
A
Retailer 10
-
$3,011 AUD
$2,115 USD
View
B+
Retailer 11
-
$3,536 AUD
£1,956 GBP
View
B+
Retailer 12
-
$3,681 AUD
$2,586 USD
View
B+
Retailer 13
-
$3,808 AUD
SGD 3,615 SGD
View
B+
Retailer 14
-
$3,896 AUD
$2,737 USD
View
B+
Retailer 15
-
$4,020 AUD
$2,824 USD
View
B+
Retailer 16
-
$4,473 AUD
£2,474 GBP
View
Retailer 17
-
$5,710 AUD
View
Price last confirmed 23 days ago
Most Expensive
Rare Carat
CN200-94A · Oct 21
$5,808 AUD
$4,080 USD
View
Price last confirmed 10 days ago
17 more retailers have this diamond
Prices start from $1,090 AUDSave up to $3,382 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+
3.15ct Cushion
$1,090 AUD