Radiant|Lab Grown|IGI

1.89ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG784644319

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

Certificate IGI LG784644319

Diamond specifications and retailer prices

From $561 USD
As of October 30, 2026
Save $4,419 USD (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,980 USD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

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 LG784644319 or 784644319. Listed at 15 retailers as of October 30, 2026, with prices from $561 to $4,980, a $4,419 spread on the same certified stone. Do Amore Diamonds lists it at $4,980. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.2°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784644319
Dimensions8.91 × 6.27 × 4.16 mm
L/W Ratio1.42
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
8.91 mm6.27 mm1.89 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784644319
Side View
Table 61.0%Crown 39.2°Girdle: MediumPavilion 34.7°Culet: NoneDepth 66.3%

Caratlytics Score

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A+
Exceptional
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: Oct 30
Current: $4,980 USD|Low: $551 USD|High: $6,190 USD|Avg: $2,431 USD|-18.5%
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
Retailer 13
Retailer 14
Retailer 15
October 30, 2026
Retailer 9$561 USD
Retailer 15$628 USD
Retailer 7$772 USD
Retailer 5$835 USD
Retailer 11$836 USD
Retailer 10$1,073 USD
Retailer 3$1,227 USD
Retailer 6$1,276 USD
Retailer 12$1,795 USD
Retailer 14$1,958 USD
Retailer 13$2,020 USD
Retailer 8$3,043 USD
Retailer 2$4,210 USD
Retailer 4$4,565 USD
Do Amore Diamonds$4,980 USD

34 data points across 15 retailers

15 retailers$561 USD to $4,980 USD

A+
Cheapest Retailer
-
$561 USD
A
Retailer 2
-
$628 USD
View
A
Retailer 3
-
$772 USD
View
Final sale: no returns
A
Retailer 4
-
$835 USD
View
A
Retailer 5
-
$836 USD
View
A
Retailer 6
-
$1,073 USD
View
Retailer 7
-
$1,227 USD
€1,169 EUR
View
Price last confirmed 7 days ago
A
Retailer 8
-
$1,276 USD
View
B+
Retailer 9
-
$1,795 USD
View
B+
Retailer 10
-
$1,958 USD
View
B+
Retailer 11
-
$2,020 USD
View
B+
Retailer 12
-
$3,043 USD
£2,396 GBP
View
B
Retailer 13
-
$4,210 USD
View
Retailer 14
-
$4,565 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Do Amore Diamonds
27-C1FF2311F · Oct 30
$4,980 USD
View
14 more retailers have this diamond
Prices start from $561 USDSave up to $4,419 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
$561 USD