CaratHunter
Plans
Cushion|Lab Grown|IGI

1.05ct E VS1 Cushion Lab Grown Diamond

ID • E/VS1 • IGI LG831608926

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG831608926

Diamond specifications and retailer prices

From $324 NZD
$182 USD
As of October 27, 2026
Save $1,599 NZD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,923 NZD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.05ct lab-grown cushion diamond

This 1.05ct lab-grown cushion sits in the classic one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG831608926 or 831608926. Listed at 16 retailers as of October 27, 2026, with prices from $324 to $1,923, a $1,599 spread on the same certified stone. Brilliant Earth lists it at $1,923. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35.7°
Pavilion angle32.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831608926
Dimensions6.85 × 5.16 × 3.39 mm
L/W Ratio1.33
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.85 mm5.16 mm1.05 ctE / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG831608926
Side View
Table 67.0%Crown 35.7°Girdle: MED-STKPavilion 32.4°Culet: NoneDepth 65.7%

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: $1,923 NZD|Low: $324 NZD|High: $1,994 NZD|Avg: $940 NZD|-3.6%
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
October 29, 2026
Retailer 6$324 NZD
Retailer 8$410 NZD
Retailer 3$456 NZD
Retailer 5$600 NZD
Retailer 13$602 NZD
Retailer 14$608 NZD
Retailer 10$631 NZD
Retailer 16$648 NZD
Retailer 11$772 NZD
Retailer 15$935 NZD
Retailer 9$975 NZD
Retailer 2$1,159 NZD
Retailer 7$1,253 NZD
Retailer 12$1,682 NZD
Retailer 4$1,914 NZD
Brilliant Earth$1,923 NZD

42 data points across 16 retailers

16 retailers$324 NZD to $1,923 NZD

A
Cheapest Retailer
-
$324 NZD
$182 USD
Final sale: no returns
A
Retailer 2
-
$410 NZD
HK$1,800 HKD
View
A
Retailer 3
-
$456 NZD
£201 GBP
View
Price last confirmed 14 days ago
A
Retailer 4
-
$600 NZD
$337 USD
View
A
Retailer 5
-
$602 NZD
€322 EUR
View
A
Retailer 6
-
$608 NZD
ZAR 5,513 ZAR
View
A
Retailer 7
-
$631 NZD
£279 GBP
View
A
Retailer 8
-
$648 NZD
$364 USD
View
B+
Retailer 9
-
$772 NZD
£341 GBP
View
B+
Retailer 10
-
$935 NZD
$525 USD
View
B+
Retailer 11
-
$975 NZD
SGD 740 SGD
View
B+
Retailer 12
-
$1,159 NZD
$651 USD
View
B
Retailer 13
-
$1,253 NZD
$704 USD
View
B
Retailer 14
-
$1,682 NZD
£744 GBP
View
B
Retailer 15
-
$1,914 NZD
$1,075 USD
View
Most Expensive
B
Brilliant Earth
21285574A · Oct 29
$1,923 NZD
$1,080 USD
View
15 more retailers have this diamond
Prices start from $324 NZDSave up to $1,599 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
1.05ct Cushion
$324 NZD