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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 $1,359 NZD
$766 USD
As of October 31, 2026
Save $4,216 NZD (76%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $7,239 NZD 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: $7,239 NZD|Low: $1,359 NZD|High: $7,239 NZD|Avg: $3,447 NZD
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$1,359 NZD
Retailer 9$1,437 NZD
Retailer 11$1,721 NZD
Retailer 16$2,019 NZD
Retailer 15$2,087 NZD
Retailer 2$2,182 NZD
Retailer 10$2,255 NZD
Retailer 14$3,180 NZD
Retailer 5$3,281 NZD
Retailer 13$3,753 NZD
Retailer 8$4,408 NZD
Retailer 6$4,588 NZD
Retailer 3$4,746 NZD
Retailer 4$4,856 NZD
Retailer 12$5,011 NZD
Retailer 7$5,575 NZD
Rare Carat$7,239 NZD

19 data points across 17 retailers

18 retailers$1,359 NZD to $5,575 NZD

A+
Cheapest Retailer
-
$1,359 NZD
$766 USD
Final sale: no returns
Retailer 2
-
$1,437 NZD
$810 USD
View
Price last confirmed 14 days ago
A
Retailer 3
-
$1,721 NZD
$970 USD
View
A
Retailer 4
-
$2,019 NZD
$1,138 USD
View
A
Retailer 5
-
$2,087 NZD
$1,176 USD
View
A
Retailer 6
-
$2,182 NZD
€1,171 EUR
View
A
Retailer 7
-
$2,255 NZD
£1,001 GBP
View
A
Retailer 8
-
$3,180 NZD
A$2,757 AUD
View
A
Retailer 9
-
$3,281 NZD
ZAR 29,870 ZAR
View
A
Retailer 10
-
$3,753 NZD
$2,115 USD
View
B+
Retailer 11
-
$4,408 NZD
£1,956 GBP
View
B+
Retailer 12
-
$4,588 NZD
$2,586 USD
View
B+
Retailer 13
-
$4,746 NZD
SGD 3,615 SGD
View
B+
Retailer 14
-
$4,856 NZD
$2,737 USD
View
B+
Retailer 15
-
$5,011 NZD
$2,824 USD
View
B+
Retailer 16
-
$5,575 NZD
£2,474 GBP
View
Retailer 17
-
$7,117 NZD
A$6,171 AUD
View
Price last confirmed 23 days ago
Most Expensive
Rare Carat
CN200-94A · Oct 21
$7,239 NZD
$4,080 USD
View
Price last confirmed 10 days ago
17 more retailers have this diamond
Prices start from $1,359 NZDSave up to $4,216 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
$1,359 NZD