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Cushion|Lab Grown|IGI

3.09ct D VS1 Cushion Lab Grown Diamond

EX • D/VS1 • IGI LG689542466

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG689542466

Diamond specifications and retailer prices

From $1,029 NZD
$580 USD
As of November 1, 2026
Save $10,522 NZD (91%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $11,551 NZD at Brilliant Earth · As of October 31, 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), with a top-tier cut grade and certified by IGI LG689542466 or 689542466. Listed at 20 retailers as of October 31, 2026, with prices from $1,029 to $11,551, a $10,522 spread on the same certified stone. Brilliant Earth lists it at $11,551. 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
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG689542466
Dimensions8.24 × 8.24 × 5.65 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.24 mm8.24 mm3.09 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG689542466
Side View
Table 65.0%Crown 37.4°Girdle: MED-THKPavilion 40.8°Culet: NoneDepth 68.6%

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: Nov 1
Current: $11,551 NZD|Low: $1,008 NZD|High: $11,551 NZD|Avg: $3,031 NZD
Brilliant Earth
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
Retailer 20
November 2, 2026
Retailer 20$1,029 NZD
Retailer 11$1,118 NZD
Retailer 9$1,249 NZD
Retailer 14$1,313 NZD
Retailer 4$1,487 NZD
Retailer 19$1,643 NZD
Retailer 13$1,703 NZD
Retailer 2$1,766 NZD
Retailer 15$2,407 NZD
Retailer 16$2,452 NZD
Retailer 17$2,585 NZD
Retailer 18$2,670 NZD
Retailer 12$3,272 NZD
Retailer 8$3,612 NZD
Retailer 3$3,707 NZD
Retailer 6$3,918 NZD
Retailer 5$4,083 NZD
Retailer 10$4,377 NZD
Retailer 7$4,784 NZD
Brilliant Earth$11,551 NZD

35 data points across 20 retailers

20 retailers$1,029 NZD to $11,551 NZD

A
Cheapest Retailer
-
$1,029 NZD
$580 USD
Final sale: no returns
Retailer 2
-
$1,118 NZD
$630 USD
View
Price last confirmed 22 days ago
A
Retailer 3
-
$1,249 NZD
HK$5,500 HKD
View
A
Retailer 4
-
$1,313 NZD
$740 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
A
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
A
Retailer 11
-
$2,585 NZD
$1,457 USD
View
A
Retailer 12
-
$2,670 NZD
$1,505 USD
View
Retailer 13
-
$3,272 NZD
£1,452 GBP
View
Price last confirmed 20 days ago
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
-
$4,377 NZD
A$3,795 AUD
View
Price last confirmed 25 days ago
B+
Retailer 19
-
$4,784 NZD
£2,123 GBP
View
Most Expensive
B
Brilliant Earth
20259914A · Oct 31
$11,551 NZD
$6,510 USD
View
19 more retailers have this diamond
Prices start from $1,029 NZDSave up to $10,522 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