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 $1,412 NZD
$796 USD
As of October 31, 2026
Save $5,616 NZD (80%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $8,305 NZD 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: $4,988 NZD|Low: $1,412 NZD|High: $7,310 NZD|Avg: $4,090 NZD|-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$1,412 NZD
Retailer 18$1,774 NZD
Retailer 14$1,876 NZD
Retailer 2$2,094 NZD
Retailer 4$2,136 NZD
Retailer 11$2,265 NZD
Retailer 15$2,344 NZD
Retailer 13$3,302 NZD
Retailer 17$3,394 NZD
Retailer 9$3,769 NZD
Retailer 5$4,543 NZD
Retailer 1$4,988 NZD
Retailer 7$5,040 NZD
Retailer 3$5,211 NZD
Retailer 16$5,771 NZD
Retailer 8$5,954 NZD
Retailer 12$7,028 NZD
Retailer 10$7,239 NZD

27 data points across 18 retailers

19 retailers$1,412 NZD to $7,028 NZD

A
Cheapest Retailer
-
$1,412 NZD
$796 USD
Final sale: no returns
A
Retailer 2
-
$1,774 NZD
$1,000 USD
View
A
Retailer 3
-
$1,876 NZD
£832 GBP
View
A
Retailer 4
-
$2,094 NZD
$1,180 USD
View
A
Retailer 5
-
$2,136 NZD
$1,204 USD
View
A
Retailer 6
-
$2,265 NZD
€1,216 EUR
View
A
Retailer 7
-
$2,344 NZD
£1,040 GBP
View
A
Retailer 8
-
$3,302 NZD
A$2,863 AUD
View
A
Retailer 9
-
$3,394 NZD
ZAR 30,905 ZAR
View
A
Retailer 10
-
$3,769 NZD
$2,124 USD
View
B+
Retailer 11
-
$4,543 NZD
£2,016 GBP
View
B+
Retailer 12
-
$4,988 NZD
$2,811 USD
View
B+
Retailer 13
-
$5,040 NZD
$2,841 USD
View
B+
Retailer 14
-
$5,211 NZD
$2,937 USD
View
B+
Retailer 15
-
$5,771 NZD
£2,561 GBP
View
B+
Retailer 16
-
$5,954 NZD
SGD 4,535 SGD
View
B+
Retailer 17
-
$7,028 NZD
A$6,094 AUD
View
Retailer 18
-
$7,239 NZD
$4,080 USD
View
Price last confirmed 10 days ago
Most Expensive
Helzberg Diamonds
ZXZOJPMONMJG · Oct 13
$8,305 NZD
$4,681 USD
View
Price last confirmed 18 days ago
18 more retailers have this diamond
Prices start from $1,412 NZDSave up to $5,616 NZD

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
$1,412 NZD