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Round|Lab Grown|IGI

1.43ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG837628408

Certificate IGI LG837628408

Diamond specifications and retailer prices

From $376 USD
As of October 29, 2026
Save $2,554 USD (87%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $2,930 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.43ct lab-grown round diamond

This 1.43ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG837628408 or 837628408. Listed at 24 retailers as of October 29, 2026, with prices from $376 to $2,930, a $2,554 spread on the same certified stone. Brilliant Earth lists it at $2,930. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.43
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG837628408
Dimensions7.22 × 7.31 × 4.44 mm
L/W Ratio1.01
Top View
7.22 mm7.31 mm1.43 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837628408
Side View
Table 58.0%CrownGirdle: MediumPavilionCulet: NoneDepth 61.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $2,930 USD|Low: $361 USD|High: $2,930 USD|Avg: $1,051 USD
Brilliant Earth
Retailer 2
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Retailer 24
October 31, 2026
Retailer 4$376 USD
Retailer 6$421 USD
Retailer 3$466 USD
Retailer 10$466 USD
Retailer 11$469 USD
Retailer 14$679 USD
Retailer 2$717 USD
Retailer 13$735 USD
Retailer 24$740 USD
Retailer 19$741 USD
Retailer 23$767 USD
Retailer 21$800 USD
Retailer 18$840 USD
Retailer 9$995 USD
Retailer 12$1,013 USD
Retailer 5$1,497 USD
Retailer 17$1,530 USD
Retailer 8$1,536 USD
Retailer 15$1,699 USD
Retailer 7$1,754 USD
Retailer 20$1,829 USD
Retailer 22$1,990 USD
Retailer 16$2,122 USD
Brilliant Earth$2,930 USD

31 data points across 24 retailers

24 retailers$376 USD to $2,930 USD

A
Cheapest Retailer
-
$376 USD
A
Retailer 2
-
$421 USD
View
A
Retailer 3
-
$466 USD
View
A
Retailer 4
-
$466 USD
View
A
Retailer 5
-
$469 USD
View
Final sale: no returns
A
Retailer 6
-
$679 USD
View
A
Retailer 7
-
$717 USD
€683 EUR
View
A
Retailer 8
-
$735 USD
View
A
Retailer 9
-
$740 USD
View
A
Retailer 10
-
$741 USD
£583 GBP
View
A
Retailer 11
-
$767 USD
View
A
Retailer 12
-
$800 USD
ZAR 12,927 ZAR
View
A
Retailer 13
-
$840 USD
£661 GBP
View
B+
Retailer 14
-
$995 USD
View
B+
Retailer 15
-
$1,013 USD
View
B+
Retailer 16
-
$1,497 USD
View
B+
Retailer 17
-
$1,530 USD
CA$2,125 CAD
View
B+
Retailer 18
-
$1,536 USD
View
B
Retailer 19
-
$1,699 USD
View
B
Retailer 20
-
$1,754 USD
View
B+
Retailer 21
-
$1,829 USD
£1,440 GBP
View
Retailer 22
-
$1,990 USD
View
Price last confirmed 10 days ago
B
Retailer 23
-
$2,122 USD
View
Most Expensive
B
Brilliant Earth
21790382A · Oct 31
$2,930 USD
View
23 more retailers have this diamond
Prices start from $376 USDSave up to $2,554 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 Round
$376 USD