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Cushion|Lab Grown|IGI

1.55ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG520211710

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG520211710

Diamond specifications and retailer prices

From $435 NZD
As of November 4, 2026
Save $1,872 NZD (81%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,306 NZD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.55ct lab-grown cushion diamond

This 1.55ct lab-grown cushion sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG520211710 or 520211710. Listed at 15 retailers as of November 4, 2026, with prices from $435 to $2,306, a $1,872 spread on the same certified stone. Brilliant Earth lists it at $2,306. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle30.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG520211710
Dimensions7.71 × 6.23 × 3.88 mm
L/W Ratio1.24
Girdle conditionFaceted
Culet sizePointed
Cert comments
Faint Blue As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.71 mm6.23 mm1.55 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG520211710
Side View
Table 61.0%Crown 33.2°Girdle: MED-THKPavilion 30.6°Culet: NoneDepth 62.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $2,306 NZD|Low: $653 NZD|High: $2,643 NZD|Avg: $1,233 NZD|-10.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 4, 2026
Retailer 8$653 NZD
Retailer 3$782 NZD
Retailer 5$834 NZD
Retailer 2$889 NZD
Retailer 10$1,070 NZD
Retailer 4$1,130 NZD
Retailer 7$1,187 NZD
Retailer 9$1,632 NZD
Retailer 6$1,937 NZD
Brilliant Earth$2,306 NZD

44 data points across 10 retailers

15 retailers$435 NZD to $2,306 NZD

A
Cheapest Retailer
-
$435 NZD
Final sale: no returns
B+
Retailer 2
-
$653 NZD
View
A
Retailer 3
-
$782 NZD
View
A
Retailer 4
-
$834 NZD
View
A
Retailer 5
-
$889 NZD
View
A
Retailer 6
-
$891 NZD
View
A
Retailer 7
-
$992 NZD
View
A
Retailer 8
-
$1,070 NZD
View
A
Retailer 9
-
$1,130 NZD
View
A
Retailer 10
-
$1,187 NZD
View
B
Retailer 11
-
$1,632 NZD
View
B
Retailer 12
-
$1,648 NZD
View
B+
Retailer 13
-
$1,937 NZD
View
B
Retailer 14
-
$2,230 NZD
View
Most Expensive
B
Brilliant Earth
10788322A · Nov 4
$2,306 NZD
$1,300 USD
View
14 more retailers have this diamond
Prices start from $435 NZDSave up to $1,872 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
1.55ct Cushion
$435 NZD