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Cushion|Lab Grown|IGI

3.09ct D VS1 Cushion Lab Grown Diamond

D/VS1 • IGI LG784679511

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG784679511

Diamond specifications and retailer prices

From $1,029 NZD
$580 USD
As of November 1, 2026
Save $3,728 NZD (78%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $11,906 NZD at Brilliant Earth · As of September 23, 2026
View at Brilliant Earth

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 VS1 clarity (very-slightly-included) and certified by IGI LG784679511 or 784679511. Listed at 20 retailers as of November 1, 2026, with a 362% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.09
Carat
D
Colour
VS1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784679511
Dimensions10.32 × 7.52 × 5.19 mm
L/W Ratio1.37
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.32 mm7.52 mm3.09 ctD / VS1
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784679511
Side View
Table 60.0%Crown 32.9°Girdle: STK-THKPavilion 36.8°Culet: NoneDepth 69.0%

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: Nov 1
Current: $1,766 NZD|Low: $1,008 NZD|High: $5,334 NZD|Avg: $2,638 NZD|-6.1%
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
Retailer 19
November 2, 2026
Retailer 3$1,029 NZD
Retailer 11$1,118 NZD
Retailer 17$1,249 NZD
Retailer 14$1,384 NZD
Retailer 6$1,487 NZD
Retailer 2$1,643 NZD
Retailer 13$1,703 NZD
Retailer 1$1,766 NZD
Retailer 15$2,407 NZD
Retailer 16$2,452 NZD
Retailer 18$2,585 NZD
Retailer 19$2,670 NZD
Retailer 5$3,326 NZD
Retailer 9$3,612 NZD
Retailer 4$3,707 NZD
Retailer 8$3,918 NZD
Retailer 7$4,083 NZD
Retailer 10$4,364 NZD
Retailer 12$4,757 NZD

35 data points across 19 retailers

20 retailers$1,029 NZD to $4,757 NZD

A
Cheapest Retailer
-
$1,029 NZD
$580 USD
Final sale: no returns
Retailer 2
-
$1,118 NZD
$630 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
$1,249 NZD
HK$5,500 HKD
View
A
Retailer 4
-
$1,384 NZD
$780 USD
View
B+
Retailer 5
-
$1,487 NZD
$838 USD
View
A
Retailer 6
-
$1,643 NZD
$926 USD
View
A
Retailer 7
-
$1,703 NZD
€914 EUR
View
A
Retailer 8
-
$1,766 NZD
£784 GBP
View
B+
Retailer 9
-
$2,407 NZD
A$2,087 AUD
View
Retailer 10
-
$2,452 NZD
ZAR 22,328 ZAR
View
Price last confirmed 9 days ago
B+
Retailer 11
-
$2,585 NZD
$1,457 USD
View
B+
Retailer 12
-
$2,670 NZD
$1,505 USD
View
B+
Retailer 13
-
$3,326 NZD
£1,476 GBP
View
B
Retailer 14
-
$3,612 NZD
SGD 2,751 SGD
View
B
Retailer 15
-
$3,707 NZD
$2,089 USD
View
B+
Retailer 16
-
$3,918 NZD
$2,208 USD
View
B+
Retailer 17
-
$4,083 NZD
$2,301 USD
View
Retailer 18
-
$4,364 NZD
A$3,784 AUD
View
Price last confirmed 30 days ago
B
Retailer 19
-
$4,757 NZD
£2,111 GBP
View
Most Expensive
Brilliant Earth
20255254A · Sep 23
$11,906 NZD
$6,710 USD
View
Price last confirmed 39 days ago
19 more retailers have this diamond
Prices start from $1,029 NZDSave up to $3,728 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
$1,029 NZD