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Cushion|Lab Grown|IGI

3.05ct E VS1 Cushion Lab Grown Diamond

ID • E/VS1 • IGI LG842630587

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG842630587

Diamond specifications and retailer prices

From $1,136 NZD
HK$5,000 HKD
As of October 30, 2026
Save $7,594 NZD (87%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $8,730 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 LG842630587 or 842630587. Listed at 16 retailers as of October 28, 2026, with prices from $1,136 to $8,730, a $7,594 spread on the same certified stone. Brilliant Earth lists it at $8,730. 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 angle37.2°
Pavilion angle29.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842630587
Dimensions9.67 × 7.30 × 4.89 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
9.67 mm7.30 mm3.05 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842630587
Side View
Table 59.0%Crown 37.2°Girdle: MED-THKPavilion 29.3°Culet: NoneDepth 67.0%

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: Oct 30
Current: $8,730 NZD|Low: $932 NZD|High: $9,173 NZD|Avg: $2,838 NZD|-4.8%
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
October 30, 2026
Retailer 4$951 NZD
Retailer 12$1,136 NZD
Retailer 13$1,207 NZD
Retailer 16$1,269 NZD
Retailer 11$1,520 NZD
Retailer 7$1,643 NZD
Retailer 14$1,740 NZD
Retailer 6$2,243 NZD
Retailer 17$2,268 NZD
Retailer 3$2,308 NZD
Retailer 2$3,281 NZD
Retailer 9$3,440 NZD
Retailer 8$3,699 NZD
Retailer 15$3,878 NZD
Retailer 5$3,944 NZD
Retailer 10$4,501 NZD
Brilliant Earth$8,730 NZD

17 data points across 17 retailers

16 retailers$1,136 NZD to $8,730 NZD

A
Cheapest Retailer
-
$1,136 NZD
HK$5,000 HKD
A
Retailer 2
-
$1,207 NZD
£535 GBP
View
A
Retailer 3
-
$1,269 NZD
$715 USD
View
A
Retailer 4
-
$1,520 NZD
€816 EUR
View
A
Retailer 5
-
$1,643 NZD
$926 USD
View
A
Retailer 6
-
$1,740 NZD
£772 GBP
View
Retailer 7
-
$2,243 NZD
A$1,945 AUD
View
Price last confirmed 10 days ago
A
Retailer 8
-
$2,268 NZD
ZAR 20,653 ZAR
View
A
Retailer 9
-
$2,308 NZD
$1,301 USD
View
B+
Retailer 10
-
$3,281 NZD
SGD 2,499 SGD
View
B+
Retailer 11
-
$3,440 NZD
$1,939 USD
View
B+
Retailer 12
-
$3,699 NZD
$2,085 USD
View
B+
Retailer 13
-
$3,878 NZD
£1,721 GBP
View
B+
Retailer 14
-
$3,944 NZD
$2,223 USD
View
B+
Retailer 15
-
$4,501 NZD
$2,537 USD
View
Most Expensive
B
Brilliant Earth
21840443A · Oct 28
$8,730 NZD
$4,920 USD
View
15 more retailers have this diamond
Prices start from $1,136 NZDSave up to $7,594 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
$1,136 NZD