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Radiant|Lab Grown|IGI

1.85ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG794625454

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

Certificate IGI LG794625454

Diamond specifications and retailer prices

From $883 AUD
$620 USD
As of October 30, 2026
Save $5,253 AUD (86%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $8,698 AUD at Brilliant Earth · As of September 28, 2026
View at Brilliant Earth

About this 1.85ct lab-grown radiant diamond

This 1.85ct 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 LG794625454 or 794625454. Listed at 24 retailers as of October 30, 2026, with a 595% 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

1.85
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.8°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG794625454
Dimensions8.38 × 6.22 × 4.27 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
8.38 mm6.22 mm1.85 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG794625454
Side View
Table 66.0%Crown 41.8°Girdle: MediumPavilion 37.5°Culet: NoneDepth 68.6%

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: $6,136 AUD|Low: $883 AUD|High: $8,442 AUD|Avg: $2,849 AUD|-27.3%
Brilliant Earth
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
Retailer 21
October 31, 2026
Retailer 12$883 AUD
Retailer 13$987 AUD
Retailer 21$988 AUD
Retailer 11$1,095 AUD
Retailer 17$1,274 AUD
Retailer 4$1,409 AUD
Retailer 19$1,676 AUD
Retailer 15$1,715 AUD
Retailer 2$1,795 AUD
Retailer 16$1,881 AUD
Retailer 6$2,228 AUD
Retailer 5$2,380 AUD
Retailer 9$2,879 AUD
Retailer 7$3,189 AUD
Retailer 20$3,360 AUD
Retailer 8$3,536 AUD
Retailer 10$3,733 AUD
Retailer 3$3,936 AUD
Retailer 18$4,319 AUD
Brilliant Earth$6,136 AUD
Retailer 14$6,399 AUD

27 data points across 21 retailers

24 retailers$883 AUD to $6,136 AUD

A
Cheapest Retailer
-
$883 AUD
$620 USD
A
Retailer 2
-
$987 AUD
$693 USD
View
Final sale: no returns
A
Retailer 3
-
$988 AUD
$694 USD
View
A
Retailer 4
-
$1,095 AUD
$769 USD
View
Retailer 5
-
$1,132 AUD
$795 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
$1,274 AUD
$895 USD
View
A
Retailer 7
-
$1,409 AUD
$990 USD
View
A
Retailer 8
-
$1,676 AUD
$1,177 USD
View
A
Retailer 9
-
$1,715 AUD
£948 GBP
View
A
Retailer 10
-
$1,795 AUD
€1,201 EUR
View
A
Retailer 11
-
$1,881 AUD
ZAR 21,346 ZAR
View
B+
Retailer 12
-
$2,228 AUD
$1,565 USD
View
B+
Retailer 13
-
$2,380 AUD
$1,672 USD
View
B+
Retailer 14
-
$2,879 AUD
$2,022 USD
View
B+
Retailer 15
-
$3,189 AUD
£1,764 GBP
View
B+
Retailer 16
-
$3,360 AUD
$2,360 USD
View
B+
Retailer 17
-
$3,492 AUD
$2,453 USD
View
B+
Retailer 18
-
$3,536 AUD
$2,484 USD
View
B+
Retailer 19
-
$3,733 AUD
SGD 3,544 SGD
View
B+
Retailer 20
-
$3,936 AUD
$2,765 USD
View
B+
Retailer 21
-
$4,319 AUD
£2,389 GBP
View
B
Retailer 22
-
$6,136 AUD
$4,310 USD
View
Retailer 23
-
$6,399 AUD
$4,495 USD
View
Price last confirmed 10 days ago
Most Expensive
Brilliant Earth
20464582A · Sep 28
$8,698 AUD
$6,110 USD
View
Price last confirmed 32 days ago
23 more retailers have this diamond
Prices start from $883 AUDSave up to $5,253 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
1.85ct Radiant
$883 AUD