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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 $1,301 AUD
$914 USD
As of October 30, 2026
Save $4,692 AUD (78%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $6,499 AUD at Rare Carat · As of October 21, 2026
View at Rare Carat

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 30, 2026, with a 361% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
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

How it works →
A
Excellent
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: $6,499 AUD|Low: $1,301 AUD|High: $8,812 AUD|Avg: $3,875 AUD|+10.2%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 8$1,301 AUD
Retailer 4$1,575 AUD
Retailer 7$1,730 AUD
Retailer 9$1,844 AUD
Retailer 2$1,964 AUD
Retailer 12$2,492 AUD
Retailer 6$4,618 AUD
Retailer 11$5,001 AUD
Retailer 10$5,075 AUD
Retailer 3$5,518 AUD
Retailer 5$5,993 AUD
Rare Carat$6,499 AUD

24 data points across 12 retailers

7 retailers$1,301 AUD to $5,993 AUD

A
Cheapest Retailer
-
$1,301 AUD
$914 USD
A
Retailer 2
-
$1,730 AUD
$1,215 USD
View
A
Retailer 3
-
$1,844 AUD
$1,295 USD
View
B+
Retailer 4
-
$1,964 AUD
€1,314 EUR
View
B
Retailer 5
-
$4,618 AUD
£2,554 GBP
View
B
Retailer 6
-
$5,993 AUD
$4,210 USD
View
Most Expensive
Rare Carat
P85B-12 · Oct 21
$6,499 AUD
$4,565 USD
View
Price last confirmed 10 days ago
6 more retailers have this diamond
Prices start from $1,301 AUDSave up to $4,692 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
$1,301 AUD