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Cushion|Lab Grown|IGI

3.09ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG821643794

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG821643794

Diamond specifications and retailer prices

From $1,340 NZD
$755 USD
As of October 31, 2026
Save $5,562 NZD (81%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $7,354 NZD at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 3.09ct lab-grown cushion diamond

This 3.09ct 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 LG821643794 or 821643794. Listed at 16 retailers as of October 31, 2026, with a 415% 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

3.09
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.4°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821643794
Dimensions10.41 × 7.42 × 4.79 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
10.41 mm7.42 mm3.09 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821643794
Side View
Table 66.0%Crown 40.4°Girdle: MED-THKPavilion 35.6°Culet: NoneDepth 64.6%

Caratlytics Score

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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: $7,354 NZD|Low: $1,340 NZD|High: $7,354 NZD|Avg: $3,682 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
October 31, 2026
Retailer 13$1,340 NZD
Retailer 15$1,703 NZD
Retailer 4$1,996 NZD
Retailer 11$2,150 NZD
Retailer 14$2,220 NZD
Retailer 3$3,144 NZD
Retailer 8$3,232 NZD
Retailer 2$3,621 NZD
Retailer 6$4,326 NZD
Retailer 9$4,732 NZD
Retailer 10$4,785 NZD
Retailer 5$4,952 NZD
Retailer 16$5,706 NZD
Retailer 7$5,895 NZD
Retailer 12$6,901 NZD
Rare Carat$7,354 NZD

19 data points across 16 retailers

16 retailers$1,340 NZD to $6,901 NZD

A
Cheapest Retailer
-
$1,340 NZD
$755 USD
Final sale: no returns
A
Retailer 2
-
$1,703 NZD
$960 USD
View
A
Retailer 3
-
$1,996 NZD
$1,125 USD
View
A
Retailer 4
-
$2,150 NZD
€1,154 EUR
View
A
Retailer 5
-
$2,220 NZD
£985 GBP
View
A
Retailer 6
-
$3,144 NZD
A$2,726 AUD
View
A
Retailer 7
-
$3,232 NZD
ZAR 29,427 ZAR
View
A
Retailer 8
-
$3,621 NZD
$2,041 USD
View
B+
Retailer 9
-
$4,326 NZD
£1,920 GBP
View
B+
Retailer 10
-
$4,732 NZD
$2,667 USD
View
B+
Retailer 11
-
$4,785 NZD
$2,697 USD
View
B+
Retailer 12
-
$4,952 NZD
$2,791 USD
View
B+
Retailer 13
-
$5,706 NZD
SGD 4,346 SGD
View
B
Retailer 14
-
$5,895 NZD
£2,616 GBP
View
B
Retailer 15
-
$6,901 NZD
A$5,984 AUD
View
Most Expensive
Rare Carat
CN200-28A · Oct 21
$7,354 NZD
$4,145 USD
View
Price last confirmed 10 days ago
15 more retailers have this diamond
Prices start from $1,340 NZDSave up to $5,562 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
3.09ct Cushion
$1,340 NZD