Radiant|Lab Grown|IGI

1.89ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG784642886

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

Certificate IGI LG784642886

Diamond specifications and retailer prices

From $914 USD
As of October 29, 2026
Save $5,096 USD (85%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $6,010 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.89ct lab-grown radiant diamond

This 1.89ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG784642886 or 784642886. Listed at 7 retailers as of October 29, 2026, with prices from $914 to $6,010, a $5,096 spread on the same certified stone. Brilliant Earth lists it at $6,010. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.89
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.1°
Pavilion angle32.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784642886
Dimensions8.94 × 6.14 × 4.02 mm
L/W Ratio1.46
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
8.94 mm6.14 mm1.89 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784642886
Side View
Table 63.0%Crown 41.1°Girdle: STK-THKPavilion 32.8°Culet: NoneDepth 65.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: $6,010 USD|Low: $914 USD|High: $6,190 USD|Avg: $2,737 USD|-2.9%
Brilliant Earth
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 6$914 USD
Retailer 4$1,107 USD
Retailer 5$1,215 USD
Retailer 9$1,295 USD
Retailer 8$1,376 USD
Retailer 12$1,751 USD
Retailer 2$3,244 USD
Retailer 11$3,513 USD
Retailer 10$3,565 USD
Retailer 3$3,876 USD
Retailer 7$4,565 USD
Brilliant Earth$6,010 USD

22 data points across 12 retailers

7 retailers$914 USD to $6,010 USD

A
Cheapest Retailer
-
$914 USD
A
Retailer 2
-
$1,215 USD
View
A
Retailer 3
-
$1,295 USD
View
A
Retailer 4
-
$1,376 USD
€1,310 EUR
View
B+
Retailer 5
-
$3,244 USD
£2,554 GBP
View
Retailer 6
-
$4,565 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
20496831Y · Oct 29
$6,010 USD
View
6 more retailers have this diamond
Prices start from $914 USDSave up to $5,096 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
1.89ct Radiant
$914 USD