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Radiant|Lab Grown|IGI

1.43ct F IF Radiant Lab Grown Diamond

ID • F/IF • IGI LG644443269

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

Certificate IGI LG644443269

Diamond specifications and retailer prices

From $244 USD
As of November 4, 2026
Save $2,056 USD (89%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $2,630 USD at Brilliant Earth · As of October 24, 2026
View at Brilliant Earth

About this 1.43ct lab-grown radiant diamond

This 1.43ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG644443269 or 644443269. Listed at 27 retailers as of November 4, 2026, with a 843% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.43
Carat
F
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle33°
OriginLab Grown
Grading LabIGI
CertificateIGI LG644443269
Dimensions8.38 × 5.59 × 3.63 mm
L/W Ratio1.50
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
8.38 mm5.59 mm1.43 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG644443269
Side View
Table 62.0%Crown 37.6°Girdle: MediumPavilion 33°Culet: NoneDepth 64.9%

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 4
Current: $2,300 USD|Low: $240 USD|High: $2,300 USD|Avg: $738 USD
Brilliant Earth
Retailer 2
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Retailer 24
November 5, 2026
Retailer 14$240 USD
Retailer 7$244 USD
Retailer 5$270 USD
Retailer 11$279 USD
Retailer 15$298 USD
Retailer 2$313 USD
Retailer 22$383 USD
Retailer 6$409 USD
Retailer 17$490 USD
Retailer 20$514 USD
Retailer 23$521 USD
Retailer 13$559 USD
Retailer 21$565 USD
Retailer 19$730 USD
Retailer 4$849 USD
Retailer 3$872 USD
Retailer 8$959 USD
Retailer 16$1,010 USD
Retailer 10$1,168 USD
Retailer 18$1,191 USD
Retailer 9$1,250 USD
Retailer 12$1,870 USD
Retailer 24$2,090 USD
Brilliant Earth$2,300 USD

29 data points across 24 retailers

27 retailers$244 USD to $2,300 USD

Retailer 1
-
$240 USD
Price last confirmed 16 days ago
A
Retailer 2
-
$244 USD
View
Final sale: no returns
A
Retailer 3
-
$270 USD
View
Retailer 4
-
$279 USD
View
Price last confirmed 17 days ago
Retailer 5
-
$298 USD
View
Price last confirmed 21 days ago
A
Retailer 6
-
$313 USD
View
B+
Retailer 7
-
$383 USD
View
A
Retailer 8
-
$409 USD
View
A
Retailer 9
-
$514 USD
View
A
Retailer 10
-
$521 USD
View
A
Retailer 11
-
$559 USD
View
A
Retailer 12
-
$565 USD
View
A
Retailer 13
-
$730 USD
View
A
Retailer 14
-
$849 USD
View
A
Retailer 15
-
$872 USD
View
B+
Retailer 16
-
$959 USD
View
B+
Retailer 17
-
$1,010 USD
View
B+
Retailer 18
-
$1,168 USD
View
B+
Retailer 19
-
$1,191 USD
View
B+
Retailer 20
-
$1,250 USD
View
Retailer 21
-
$1,264 USD
View
Price last confirmed 23 days ago
Retailer 22
-
$1,870 USD
View
Price last confirmed 32 days ago
Retailer 23
-
$1,870 USD
View
Price last confirmed 16 days ago
B
Retailer 24
-
$2,090 USD
View
B
Retailer 25
-
$2,300 USD
View
Retailer 26
-
$2,501 USD
View
Price last confirmed 10 days ago
Most Expensive
Brilliant Earth
11061940A · Oct 24
$2,630 USD
View
Price last confirmed 12 days ago
26 more retailers have this diamond
Prices start from $244 USDSave up to $2,056 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
1.43ct Radiant
$244 USD