Cushion|Lab Grown|IGI

1.51ct F SI1 Cushion Lab Grown Diamond

GD • F/SI1 • IGI LG631447644

Certificate IGI LG631447644

Diamond specifications and retailer prices

From $377 USD
3 retailers carry this diamond
Most expensive: $860 USD at Rare Carat
View at Rare Carat

About this 1.51ct lab-grown cushion diamond

This 1.51ct lab-grown cushion sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG631447644 or 631447644. Listed at 3 retailers, with prices from $377 to $860 at Rare Carat, a $483 spread on the same certified stone. 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

1.51
Carat
F
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG631447644
Dimensions8.41 × 5.78 × 3.85 mm
L/W Ratio1.46
Girdle conditionFaceted
Culet sizePointed
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
8.41 mm5.78 mm1.51 ctF / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG631447644
Side View
Table 58.0%Crown 35.1°Girdle: MED-THKPavilion 34.9°Culet: NoneDepth 66.6%

Caratlytics Score

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

Price History

Last verified: Sep 9
Current: $860 USD|Low: $344 USD|High: $880 USD|Avg: $538 USD|-2.3%
Rare Carat
Retailer 2
Retailer 3
Retailer 4

6 data points across 4 retailers

3 retailers$377 USD to $860 USD

B+
Cheapest Retailer
-
Price last confirmed 15 days ago
$377 USD
View
B+
Retailer 2
-
Price last confirmed 15 days ago
$457 USD
View
Most Expensive
B
Rare Carat
1552198-1-1_l_631447644 · Sep 9
Price last confirmed 14 days ago
$860 USD
View
2 more retailers have this diamond

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.

B+
1.51ct Cushion
$377 USD

Similar diamonds

Comparable stones with the same shape, colour and clarity.

1.51ct F SI1 Cushion Lab-Grown Diamond, IGI LG631447644