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Radiant|Lab Grown|IGI

1.89ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG836620963

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

Certificate IGI LG836620963

Diamond specifications and retailer prices

From $934 AUD
$656 USD
As of October 30, 2026
Save $5,358 AUD (85%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $6,541 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 LG836620963 or 836620963. Listed at 21 retailers as of October 30, 2026, with a 574% 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.1°
Pavilion angle35.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836620963
Dimensions8.37 × 6.21 × 4.22 mm
L/W Ratio1.35
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
8.37 mm6.21 mm1.89 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836620963
Side View
Table 62.0%Crown 46.1°Girdle: MediumPavilion 35.9°Culet: NoneDepth 68.0%

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: $6,541 AUD|Low: $934 AUD|High: $8,883 AUD|Avg: $3,003 AUD|-1.0%
Rare Carat
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
October 31, 2026
Retailer 11$934 AUD
Retailer 19$1,015 AUD
Retailer 10$1,083 AUD
Retailer 7$1,089 AUD
Retailer 15$1,338 AUD
Retailer 14$1,731 AUD
Retailer 17$1,764 AUD
Retailer 2$1,852 AUD
Retailer 20$1,971 AUD
Retailer 5$2,328 AUD
Retailer 4$2,518 AUD
Retailer 8$3,044 AUD
Retailer 6$3,363 AUD
Retailer 18$3,562 AUD
Retailer 12$3,735 AUD
Retailer 9$3,933 AUD
Retailer 3$4,161 AUD
Retailer 16$4,567 AUD
Retailer 13$6,292 AUD
Rare Carat$6,541 AUD

33 data points across 20 retailers

21 retailers$934 AUD to $6,292 AUD

A
Cheapest Retailer
-
$934 AUD
$656 USD
A
Retailer 2
-
$1,015 AUD
$713 USD
View
A
Retailer 3
-
$1,083 AUD
$761 USD
View
A
Retailer 4
-
$1,089 AUD
$765 USD
View
Final sale: no returns
Retailer 5
-
$1,156 AUD
$812 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$1,338 AUD
$940 USD
View
A
Retailer 7
-
$1,731 AUD
£957 GBP
View
A
Retailer 8
-
$1,764 AUD
$1,239 USD
View
A
Retailer 9
-
$1,852 AUD
€1,239 EUR
View
Retailer 10
-
$1,971 AUD
ZAR 22,372 ZAR
View
Price last confirmed 7 days ago
B+
Retailer 11
-
$2,328 AUD
$1,635 USD
View
B+
Retailer 12
-
$2,518 AUD
$1,769 USD
View
B+
Retailer 13
-
$3,044 AUD
$2,138 USD
View
B+
Retailer 14
-
$3,363 AUD
£1,860 GBP
View
B+
Retailer 15
-
$3,562 AUD
$2,502 USD
View
B+
Retailer 16
-
$3,735 AUD
$2,624 USD
View
B+
Retailer 17
-
$3,933 AUD
SGD 3,733 SGD
View
B
Retailer 18
-
$4,161 AUD
$2,923 USD
View
B
Retailer 19
-
$4,567 AUD
£2,526 GBP
View
B
Retailer 20
-
$6,292 AUD
$4,420 USD
View
Most Expensive
Rare Carat
PD-245485 · Oct 21
$6,541 AUD
$4,595 USD
View
Price last confirmed 10 days ago
20 more retailers have this diamond
Prices start from $934 AUDSave up to $5,358 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
$934 AUD