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Cushion|Lab Grown|IGI

1.55ct G VS1 Cushion Lab Grown Diamond

VG • G/VS1 • IGI LG816607561

Shape and cutting style on the report: Antique cushion cut

Certificate IGI LG816607561

Diamond specifications and retailer prices

From $549 USD
As of November 3, 2026
Save $1,174 USD (68%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,723 USD at MOH London · As of November 3, 2026
View at MOH London

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 very-good cut grade and certified by IGI LG816607561 or 816607561. Listed at 10 retailers as of November 3, 2026, with prices from $549 to $1,723, a $1,174 spread on the same certified stone. MOH London lists it at $1,723. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.55
Carat
G
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816607561
Dimensions7.33 × 6.53 × 4.19 mm
L/W Ratio1.12
Girdle conditionFaceted
Culet sizeLarge
Cert comments
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
7.33 mm6.53 mm1.55 ctG / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816607561
Side View
Table 55.0%Crown 35.6°Girdle: Slightly ThickPavilion 41.2°Culet: LargeDepth 64.2%

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 3
Current: $1,723 USD|Low: $549 USD|High: $1,744 USD|Avg: $1,102 USD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 4, 2026
Retailer 6$549 USD
Retailer 4$590 USD
Retailer 7$592 USD
Retailer 3$786 USD
Retailer 2$1,036 USD
Retailer 5$1,293 USD
Retailer 10$1,407 USD
Retailer 9$1,458 USD
Retailer 8$1,666 USD
MOH London$1,723 USD

30 data points across 10 retailers

10 retailers$549 USD to $1,723 USD

A
Cheapest Retailer
-
$549 USD
A
Retailer 2
-
$590 USD
View
A
Retailer 3
-
$592 USD
View
B+
Retailer 4
-
$786 USD
View
B
Retailer 5
-
$1,036 USD
View
B
Retailer 6
-
$1,293 USD
View
B
Retailer 7
-
$1,407 USD
View
B
Retailer 8
-
$1,458 USD
View
B
Retailer 9
-
$1,666 USD
View
Most Expensive
B
MOH London
LG816607561 · Nov 3
$1,723 USD
£1,357 GBP
View
9 more retailers have this diamond
Prices start from $549 USDSave up to $1,174 USD

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
$549 USD