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Radiant|Lab Grown|IGI

1.89ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG830625280

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

Certificate IGI LG830625280

Diamond specifications and retailer prices

From $914 AUD
$642 USD
As of October 30, 2026
Save $7,201 AUD (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $8,115 AUD at Do Amore Diamonds · As of October 31, 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 LG830625280 or 830625280. Listed at 17 retailers as of October 30, 2026, with prices from $914 to $8,115, a $7,201 spread on the same certified stone. Do Amore Diamonds lists it at $8,115. 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
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.1°
Pavilion angle33.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830625280
Dimensions9.11 × 6.18 × 3.97 mm
L/W Ratio1.47
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
9.11 mm6.18 mm1.89 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830625280
Side View
Table 58.0%Crown 40.1°Girdle: ThickPavilion 33.1°Culet: NoneDepth 64.2%

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 30
Current: $8,115 AUD|Low: $914 AUD|High: $8,898 AUD|Avg: $3,420 AUD
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
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Retailer 17
Retailer 18
October 31, 2026
Retailer 15$914 AUD
Retailer 7$994 AUD
Retailer 18$1,301 AUD
Retailer 14$1,352 AUD
Retailer 17$1,730 AUD
Retailer 4$1,844 AUD
Retailer 2$1,964 AUD
Retailer 13$1,975 AUD
Retailer 3$2,708 AUD
Retailer 6$3,144 AUD
Retailer 5$3,289 AUD
Retailer 8$3,973 AUD
Retailer 9$4,370 AUD
Retailer 12$4,618 AUD
Retailer 16$5,131 AUD
Retailer 11$5,993 AUD
Retailer 10$6,606 AUD
Do Amore Diamonds$8,115 AUD

35 data points across 18 retailers

17 retailers$914 AUD to $8,115 AUD

A
Cheapest Retailer
-
$914 AUD
$642 USD
A
Retailer 2
-
$994 AUD
$698 USD
View
A
Retailer 3
-
$1,301 AUD
$914 USD
View
A
Retailer 4
-
$1,352 AUD
$950 USD
View
A
Retailer 5
-
$1,730 AUD
$1,215 USD
View
A
Retailer 6
-
$1,777 AUD
$1,248 USD
View
A
Retailer 7
-
$1,844 AUD
$1,295 USD
View
B+
Retailer 8
-
$1,964 AUD
€1,314 EUR
View
B+
Retailer 9
-
$2,708 AUD
$1,902 USD
View
B+
Retailer 10
-
$3,144 AUD
$2,208 USD
View
B+
Retailer 11
-
$3,289 AUD
$2,310 USD
View
Retailer 12
-
$3,973 AUD
$2,791 USD
View
Price last confirmed 15 days ago
B
Retailer 13
-
$4,618 AUD
£2,554 GBP
View
B
Retailer 14
-
$5,131 AUD
$3,604 USD
View
B
Retailer 15
-
$5,993 AUD
$4,210 USD
View
Retailer 16
-
$6,606 AUD
$4,640 USD
View
Price last confirmed 16 days ago
Most Expensive
B
Do Amore Diamonds
27-66D4CD1D2 · Oct 31
$8,115 AUD
$5,700 USD
View
16 more retailers have this diamond
Prices start from $914 AUDSave up to $7,201 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
$914 AUD