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Radiant|Lab Grown|IGI

1.89ct D FL Radiant Lab Grown Diamond

VG • D/FL • IGI LG811640897

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

Certificate IGI LG811640897

Diamond specifications and retailer prices

From $1,147 AUD
£635 GBP
As of October 30, 2026
Save $5,871 AUD (84%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $7,018 AUD 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 very-good cut grade and certified by IGI LG811640897 or 811640897. Listed at 9 retailers as of October 30, 2026, with prices from $1,147 to $7,018, a $5,871 spread on the same certified stone. Do Amore Diamonds lists it at $7,018. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.89
Carat
D
Colour
FL
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.6°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811640897
Dimensions8.50 × 6.21 × 4.31 mm
L/W Ratio1.37
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
8.50 mm6.21 mm1.89 ctD / FL
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811640897
Side View
Table 66.0%Crown 40.6°Girdle: MediumPavilion 37.4°Culet: NoneDepth 69.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $7,018 AUD|Low: $818 AUD|High: $8,556 AUD|Avg: $3,284 AUD|-12.3%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
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Retailer 7
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Retailer 9
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Retailer 11
Retailer 12
Retailer 13
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Retailer 17
October 31, 2026
Retailer 4$818 AUD
Retailer 5$887 AUD
Retailer 11$1,147 AUD
Retailer 13$1,512 AUD
Retailer 2$1,516 AUD
Retailer 3$1,576 AUD
Retailer 17$1,970 AUD
Retailer 6$2,218 AUD
Retailer 14$2,346 AUD
Retailer 7$2,390 AUD
Retailer 16$3,194 AUD
Retailer 8$4,457 AUD
Retailer 12$4,722 AUD
Retailer 9$4,901 AUD
Retailer 10$5,993 AUD
Retailer 15$6,499 AUD
Do Amore Diamonds$7,018 AUD

17 data points across 17 retailers

9 retailers$1,147 AUD to $7,018 AUD

A
Cheapest Retailer
-
$1,147 AUD
£635 GBP
A
Retailer 2
-
$1,512 AUD
$1,062 USD
View
B+
Retailer 3
-
$1,516 AUD
$1,065 USD
View
B+
Retailer 4
-
$2,346 AUD
$1,648 USD
View
B+
Retailer 5
-
$3,194 AUD
$2,244 USD
View
B
Retailer 6
-
$4,722 AUD
£2,612 GBP
View
B
Retailer 7
-
$5,993 AUD
$4,210 USD
View
Retailer 8
-
$6,499 AUD
$4,565 USD
View
Price last confirmed 10 days ago
Most Expensive
B
Do Amore Diamonds
27-47372BC65 · Oct 30
$7,018 AUD
$4,930 USD
View
8 more retailers have this diamond
Prices start from $1,147 AUDSave up to $5,871 AUD

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
$1,147 AUD