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Cushion|Lab Grown|IGI

3.15ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG839687630

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG839687630

Diamond specifications and retailer prices

From $1,133 AUD
$796 USD
As of October 31, 2026
Save $4,506 AUD (80%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $6,664 AUD at Helzberg Diamonds · As of October 13, 2026
View at Helzberg Diamonds

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 LG839687630 or 839687630. Listed at 19 retailers as of October 31, 2026, with a 398% 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 angle39.2°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839687630
Dimensions10.36 × 7.41 × 5.01 mm
L/W Ratio1.40
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.36 mm7.41 mm3.15 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839687630
Side View
Table 65.0%Crown 39.2°Girdle: MED-STKPavilion 38°Culet: NoneDepth 67.6%

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: Oct 31
Current: $4,002 AUD|Low: $1,133 AUD|High: $5,865 AUD|Avg: $3,282 AUD|-1.0%
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
October 31, 2026
Retailer 6$1,133 AUD
Retailer 18$1,424 AUD
Retailer 14$1,505 AUD
Retailer 2$1,680 AUD
Retailer 4$1,714 AUD
Retailer 11$1,818 AUD
Retailer 15$1,880 AUD
Retailer 13$2,649 AUD
Retailer 17$2,723 AUD
Retailer 9$3,024 AUD
Retailer 5$3,645 AUD
Retailer 1$4,002 AUD
Retailer 7$4,044 AUD
Retailer 3$4,181 AUD
Retailer 16$4,630 AUD
Retailer 8$4,777 AUD
Retailer 12$5,639 AUD
Retailer 10$5,808 AUD

27 data points across 18 retailers

19 retailers$1,133 AUD to $5,639 AUD

A
Cheapest Retailer
-
$1,133 AUD
$796 USD
Final sale: no returns
A
Retailer 2
-
$1,424 AUD
$1,000 USD
View
A
Retailer 3
-
$1,505 AUD
£832 GBP
View
A
Retailer 4
-
$1,680 AUD
$1,180 USD
View
A
Retailer 5
-
$1,714 AUD
$1,204 USD
View
A
Retailer 6
-
$1,818 AUD
€1,216 EUR
View
A
Retailer 7
-
$1,880 AUD
£1,040 GBP
View
A
Retailer 8
-
$2,649 AUD
View
A
Retailer 9
-
$2,723 AUD
ZAR 30,905 ZAR
View
A
Retailer 10
-
$3,024 AUD
$2,124 USD
View
B+
Retailer 11
-
$3,645 AUD
£2,016 GBP
View
B+
Retailer 12
-
$4,002 AUD
$2,811 USD
View
B+
Retailer 13
-
$4,044 AUD
$2,841 USD
View
B+
Retailer 14
-
$4,181 AUD
$2,937 USD
View
B+
Retailer 15
-
$4,630 AUD
£2,561 GBP
View
B+
Retailer 16
-
$4,777 AUD
SGD 4,535 SGD
View
B+
Retailer 17
-
$5,639 AUD
View
Retailer 18
-
$5,808 AUD
$4,080 USD
View
Price last confirmed 10 days ago
Most Expensive
Helzberg Diamonds
ZXZOJPMONMJG · Oct 13
$6,664 AUD
$4,681 USD
View
Price last confirmed 18 days ago
18 more retailers have this diamond
Prices start from $1,133 AUDSave up to $4,506 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
$1,133 AUD