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Cushion|Lab Grown|IGI

3.05ct E VS1 Cushion Lab Grown Diamond

ID • E/VS1 • IGI LG833671830

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG833671830

Diamond specifications and retailer prices

From $924 NZD
$521 USD
As of October 27, 2026
Save $6,457 NZD (87%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $7,381 NZD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 3.05ct lab-grown cushion diamond

This 3.05ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG833671830 or 833671830. Listed at 18 retailers as of October 27, 2026, with prices from $924 to $7,381, a $6,457 spread on the same certified stone. Brilliant Earth lists it at $7,381. 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

3.05
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle32°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833671830
Dimensions8.51 × 8.04 × 5.09 mm
L/W Ratio1.06
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.51 mm8.04 mm3.05 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833671830
Side View
Table 63.0%Crown 35.1°Girdle: MED-STKPavilion 32°Culet: NoneDepth 63.3%

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 27
Current: $7,381 NZD|Low: $887 NZD|High: $7,825 NZD|Avg: $2,838 NZD|+10.6%
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
October 30, 2026
Retailer 9$924 NZD
Retailer 16$1,113 NZD
Retailer 18$1,174 NZD
Retailer 12$1,277 NZD
Retailer 11$1,537 NZD
Retailer 4$1,600 NZD
Retailer 13$1,687 NZD
Retailer 17$2,179 NZD
Retailer 15$2,203 NZD
Retailer 7$2,298 NZD
Retailer 3$2,376 NZD
Retailer 8$3,345 NZD
Retailer 5$3,620 NZD
Retailer 14$3,765 NZD
Retailer 6$3,831 NZD
Retailer 10$3,971 NZD
Retailer 2$4,361 NZD
Brilliant Earth$7,381 NZD

36 data points across 18 retailers

18 retailers$924 NZD to $7,381 NZD

A
Cheapest Retailer
-
$924 NZD
$521 USD
Final sale: no returns
A
Retailer 2
-
$1,113 NZD
HK$4,900 HKD
View
Retailer 3
-
$1,174 NZD
£521 GBP
View
Price last confirmed 13 days ago
A
Retailer 4
-
$1,277 NZD
$720 USD
View
A
Retailer 5
-
$1,537 NZD
€825 EUR
View
B+
Retailer 6
-
$1,600 NZD
$902 USD
View
A
Retailer 7
-
$1,687 NZD
£749 GBP
View
Retailer 8
-
$2,179 NZD
A$1,889 AUD
View
Price last confirmed 10 days ago
A
Retailer 9
-
$2,203 NZD
ZAR 20,058 ZAR
View
A
Retailer 10
-
$2,298 NZD
$1,295 USD
View
A
Retailer 11
-
$2,376 NZD
$1,339 USD
View
B+
Retailer 12
-
$3,345 NZD
$1,885 USD
View
B+
Retailer 13
-
$3,620 NZD
$2,040 USD
View
B+
Retailer 14
-
$3,765 NZD
£1,671 GBP
View
B
Retailer 15
-
$3,831 NZD
$2,159 USD
View
Retailer 16
-
$3,971 NZD
A$3,443 AUD
View
Price last confirmed 22 days ago
B+
Retailer 17
-
$4,361 NZD
$2,458 USD
View
Most Expensive
B
Brilliant Earth
21423458A · Oct 28
$7,381 NZD
$4,160 USD
View
17 more retailers have this diamond
Prices start from $924 NZDSave up to $6,457 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
3.05ct Cushion
$924 NZD