Radiant|Lab Grown|IGI

1.44ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG566310413

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG566310413

Diamond specifications and retailer prices

From $171 USD
As of October 27, 2026
Save $1,469 USD (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,640 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.44ct lab-grown radiant diamond

This 1.44ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG566310413 or 566310413. Listed at 10 retailers as of October 27, 2026, with prices from $171 to $1,640, a $1,469 spread on the same certified stone. Do Amore Diamonds lists it at $1,640. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.44
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.2°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG566310413
Dimensions8.08 × 5.61 × 3.82 mm
L/W Ratio1.44
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
8.08 mm5.61 mm1.44 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG566310413
Side View
Table 63.5%Crown 41.2°Girdle: MediumPavilion 35.7°Culet: NoneDepth 68.1%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: $1,640 USD|Low: $140 USD|High: $1,640 USD|Avg: $631 USD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 7$171 USD
Retailer 12$192 USD
Retailer 11$199 USD
Retailer 2$306 USD
Retailer 10$379 USD
Retailer 3$581 USD
Retailer 6$721 USD
Retailer 8$745 USD
Retailer 9$753 USD
Retailer 4$763 USD
Retailer 5$1,097 USD
Do Amore Diamonds$1,640 USD

35 data points across 12 retailers

10 retailers$171 USD to $1,640 USD

A
Cheapest Retailer
-
$171 USD
A
Retailer 2
-
$192 USD
View
Final sale: no returns
A
Retailer 3
-
$199 USD
View
A
Retailer 4
-
$306 USD
£241 GBP
View
B+
Retailer 5
-
$379 USD
View
B
Retailer 6
-
$721 USD
View
B
Retailer 7
-
$745 USD
View
Price last confirmed 8 days ago
B
Retailer 8
-
$753 USD
View
B
Retailer 9
-
$1,097 USD
£864 GBP
View
Most Expensive
B
Do Amore Diamonds
27-12A343768 · Oct 29
$1,640 USD
View
9 more retailers have this diamond
Prices start from $171 USDSave up to $1,469 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
1.44ct Radiant
$171 USD