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Cushion|Lab Grown|IGI

3.09ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG790677719

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG790677719

Diamond specifications and retailer prices

From $946 NZD
$533 USD
As of November 1, 2026
Save $6,738 NZD (88%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $7,684 NZD at Queensmith · As of October 28, 2026
View at Queensmith

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 LG790677719 or 790677719. Listed at 15 retailers as of October 28, 2026, with prices from $946 to $7,684, a $6,738 spread on the same certified stone. Queensmith lists it at $7,684. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle36.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790677719
Dimensions10.16 × 7.68 × 5.21 mm
L/W Ratio1.32
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.16 mm7.68 mm3.09 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790677719
Side View
Table 60.0%Crown 34.3°Girdle: MED-STKPavilion 36.9°Culet: NoneDepth 67.8%

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: $7,684 NZD|Low: $691 NZD|High: $7,994 NZD|Avg: $3,304 NZD
Queensmith
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
November 2, 2026
Retailer 10$691 NZD
Retailer 17$946 NZD
Retailer 6$1,073 NZD
Retailer 3$1,405 NZD
Retailer 2$1,452 NZD
Retailer 7$1,533 NZD
Retailer 11$1,815 NZD
Retailer 16$1,998 NZD
Retailer 13$2,448 NZD
Retailer 8$3,191 NZD
Retailer 9$3,717 NZD
Retailer 15$3,964 NZD
Retailer 18$4,008 NZD
Retailer 12$4,840 NZD
Retailer 5$5,048 NZD
Retailer 14$7,523 NZD
Retailer 4$7,562 NZD
Queensmith$7,684 NZD

19 data points across 18 retailers

15 retailers$946 NZD to $7,684 NZD

A
Cheapest Retailer
-
$946 NZD
$533 USD
Final sale: no returns
B+
Retailer 2
-
$1,405 NZD
$792 USD
View
A
Retailer 3
-
$1,452 NZD
£644 GBP
View
A
Retailer 4
-
$1,815 NZD
£806 GBP
View
A
Retailer 5
-
$1,998 NZD
$1,126 USD
View
A
Retailer 6
-
$2,448 NZD
A$2,123 AUD
View
Retailer 7
-
$3,925 NZD
$2,212 USD
View
Price last confirmed 9 days ago
B+
Retailer 8
-
$3,964 NZD
$2,234 USD
View
B+
Retailer 9
-
$4,008 NZD
$2,259 USD
View
Retailer 10
-
$4,440 NZD
A$3,850 AUD
View
Price last confirmed 121 days ago
B
Retailer 11
-
$4,840 NZD
£2,148 GBP
View
Retailer 12
-
$5,048 NZD
$2,845 USD
View
Price last confirmed 18 days ago
B
Retailer 13
-
$7,523 NZD
$4,240 USD
View
B
Retailer 14
-
$7,562 NZD
$4,262 USD
View
Most Expensive
B
Queensmith
LG790677719 · Oct 28
$7,684 NZD
£3,410 GBP
View
14 more retailers have this diamond
Prices start from $946 NZDSave up to $6,738 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
$946 NZD