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Cushion|Lab Grown|IGI

3.06ct E VS2 Cushion Lab Grown Diamond

EX • E/VS2 • IGI LG678501299

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG678501299

Diamond specifications and retailer prices

From $1,271 NZD
£562 GBP
As of October 30, 2026
Save $8,219 NZD (87%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $9,490 NZD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 3.06ct lab-grown cushion diamond

This 3.06ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG678501299 or 678501299. Listed at 13 retailers as of October 28, 2026, with prices from $1,271 to $9,490, a $8,219 spread on the same certified stone. Brilliant Earth lists it at $9,490. 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

3.06
Carat
E
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678501299
Dimensions8.44 × 8.27 × 5.57 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.44 mm8.27 mm3.06 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678501299
Side View
Table 63.0%Crown 36.5°Girdle: MED-STKPavilion 39°Culet: NoneDepth 67.4%

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: Oct 30
Current: $9,490 NZD|Low: $1,059 NZD|High: $9,490 NZD|Avg: $2,754 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
October 30, 2026
Retailer 11$1,059 NZD
Retailer 2$1,271 NZD
Retailer 9$1,478 NZD
Retailer 7$1,531 NZD
Retailer 4$1,652 NZD
Retailer 12$1,720 NZD
Retailer 6$1,758 NZD
Retailer 13$2,163 NZD
Retailer 3$3,454 NZD
Retailer 8$3,910 NZD
Retailer 5$3,962 NZD
Retailer 10$4,175 NZD
Brilliant Earth$9,490 NZD

34 data points across 13 retailers

13 retailers$1,271 NZD to $9,490 NZD

Retailer 1
-
$1,059 NZD
$595 USD
Price last confirmed 13 days ago
A
Retailer 2
-
$1,271 NZD
£562 GBP
View
A
Retailer 3
-
$1,478 NZD
$830 USD
View
A
Retailer 4
-
$1,531 NZD
€819 EUR
View
A
Retailer 5
-
$1,652 NZD
$928 USD
View
A
Retailer 6
-
$1,720 NZD
$966 USD
View
A
Retailer 7
-
$1,758 NZD
£777 GBP
View
A
Retailer 8
-
$2,163 NZD
$1,215 USD
View
Retailer 9
-
$3,454 NZD
$1,940 USD
View
Price last confirmed 11 days ago
B+
Retailer 10
-
$3,910 NZD
£1,729 GBP
View
B
Retailer 11
-
$3,962 NZD
$2,225 USD
View
Retailer 12
-
$4,175 NZD
$2,345 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
13025659A · Oct 28
$9,490 NZD
$5,330 USD
View
12 more retailers have this diamond
Prices start from $1,271 NZDSave up to $8,219 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
3.06ct Cushion
$1,271 NZD