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Cushion|Lab Grown|IGI

1.01ct D SI1 Cushion Lab Grown Diamond

VG • D/SI1 • IGI LG508155768

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG508155768

Diamond specifications and retailer prices

From $373 USD
As of November 1, 2026
Save $360 USD (49%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,657 USD at MOH London · As of October 25, 2026
View at MOH London

About this 1.01ct lab-grown cushion diamond

This 1.01ct lab-grown cushion sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG508155768 or 508155768. Listed at 8 retailers as of November 1, 2026, with a 97% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.01
Carat
D
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG508155768
Dimensions6.48 × 5.35 × 3.73 mm
L/W Ratio1.21
Girdle conditionFaceted
Culet sizePointed
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
6.48 mm5.35 mm1.01 ctD / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG508155768
Side View
Table 56.0%Crown 37.3°Girdle: MED-VTKPavilion 41.1°Culet: NoneDepth 69.7%

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 1
Current: $1,657 USD|Low: $266 USD|High: $1,674 USD|Avg: $685 USD|+0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 6$373 USD
Retailer 8$385 USD
Retailer 4$520 USD
Retailer 7$565 USD
Retailer 3$641 USD
Retailer 5$666 USD
Retailer 2$733 USD
MOH London$1,657 USD

42 data points across 8 retailers

8 retailers$373 USD to $733 USD

A
Cheapest Retailer
-
$373 USD
Final sale: no returns
A
Retailer 2
-
$385 USD
View
B+
Retailer 3
-
$520 USD
View
B
Retailer 4
-
$565 USD
View
B
Retailer 5
-
$641 USD
€610 EUR
View
B
Retailer 6
-
$666 USD
View
B
Retailer 7
-
$733 USD
£577 GBP
View
Most Expensive
MOH London
LG508155768 · Oct 25
$1,657 USD
£1,305 GBP
View
Price last confirmed 8 days ago
7 more retailers have this diamond
Prices start from $373 USDSave up to $360 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
1.01ct Cushion
$373 USD