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 $796 USD
As of October 29, 2026
Save $2,560 USD (76%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $4,681 USD 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 29, 2026, with a 322% 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,057 USD|Low: $796 USD|High: $4,120 USD|Avg: $2,303 USD|-1.7%
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 30, 2026
Retailer 3$796 USD
Retailer 15$1,000 USD
Retailer 1$1,057 USD
Retailer 16$1,180 USD
Retailer 18$1,204 USD
Retailer 12$1,286 USD
Retailer 11$1,321 USD
Retailer 6$1,866 USD
Retailer 14$1,913 USD
Retailer 7$2,124 USD
Retailer 2$2,560 USD
Retailer 9$2,838 USD
Retailer 4$2,841 USD
Retailer 17$2,937 USD
Retailer 13$3,252 USD
Retailer 5$3,356 USD
Retailer 10$4,011 USD
Retailer 8$4,080 USD

28 data points across 18 retailers

19 retailers$796 USD to $3,356 USD

A
Cheapest Retailer
-
$796 USD
Final sale: no returns
A
Retailer 2
-
$1,000 USD
View
A
Retailer 3
-
$1,057 USD
£832 GBP
View
A
Retailer 4
-
$1,180 USD
View
A
Retailer 5
-
$1,204 USD
View
A
Retailer 6
-
$1,286 USD
€1,225 EUR
View
A
Retailer 7
-
$1,321 USD
£1,040 GBP
View
Retailer 8
-
$1,866 USD
A$2,870 AUD
View
Price last confirmed 9 days ago
A
Retailer 9
-
$1,913 USD
ZAR 30,905 ZAR
View
A
Retailer 10
-
$2,124 USD
View
B+
Retailer 11
-
$2,560 USD
£2,016 GBP
View
B+
Retailer 12
-
$2,838 USD
View
B+
Retailer 13
-
$2,841 USD
View
B+
Retailer 14
-
$2,937 USD
View
B+
Retailer 15
-
$3,252 USD
£2,561 GBP
View
B+
Retailer 16
-
$3,356 USD
SGD 4,535 SGD
View
Retailer 17
-
$4,011 USD
A$6,171 AUD
View
Price last confirmed 21 days ago
Retailer 18
-
$4,080 USD
View
Price last confirmed 9 days ago
Most Expensive
Helzberg Diamonds
ZXZOJPMONMJG · Oct 13
$4,681 USD
View
Price last confirmed 17 days ago
18 more retailers have this diamond
Prices start from $796 USDSave up to $2,560 USD

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
$796 USD