Cushion|Lab Grown|IGI

1.21ct G VS1 Cushion Lab Grown Diamond

VG • G/VS1 • IGI LG632450946

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG632450946

Diamond specifications and retailer prices

From $647 USD
As of October 31, 2026
Save $663 USD (51%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $1,310 USD at Jared · As of November 2, 2026
View at Jared

About this 1.21ct lab-grown cushion diamond

This 1.21ct lab-grown cushion sits in the classic one-carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG632450946 or 632450946. Listed at 3 retailers as of October 31, 2026, with prices from $647 to $1,310, a $663 spread on the same certified stone. Jared lists it at $1,310. 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

1.21
Carat
G
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle34.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG632450946
Dimensions7.83 × 5.33 × 3.56 mm
L/W Ratio1.47
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.83 mm5.33 mm1.21 ctG / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG632450946
Side View
Table 64.0%Crown 36.7°Girdle: STK-THKPavilion 34.6°Culet: NoneDepth 66.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $1,310 USD|Low: $647 USD|High: $1,310 USD|Avg: $1,017 USD
Jared
Retailer 2
Retailer 3
September 26, 2026
Retailer 2$647 USD
Retailer 3$910 USD
Jared$1,310 USD

2 data points across 3 retailers

3 retailers$647 USD to $1,310 USD

B+
Cheapest Retailer
-
$647 USD
B
Retailer 2
-
$910 USD
View
Most Expensive
C
Jared
155899554 · Nov 2
$1,310 USD
View
2 more retailers have this diamond
Prices start from $647 USDSave up to $663 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.

B+
1.21ct Cushion
$647 USD