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Radiant|Lab Grown|IGI

1.85ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG790611631

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

Certificate IGI LG790611631

Diamond specifications and retailer prices

From $1,217 AUD
$855 USD
As of October 30, 2026
Save $7,239 AUD (86%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $8,456 AUD at Brilliant Earth · As of October 29, 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 LG790611631 or 790611631. Listed at 23 retailers as of October 29, 2026, with prices from $1,217 to $8,456, a $7,239 spread on the same certified stone. Brilliant Earth lists it at $8,456. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.4°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790611631
Dimensions8.90 × 6.10 × 4.04 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
8.90 mm6.10 mm1.85 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790611631
Side View
Table 64.0%Crown 42.4°Girdle: MediumPavilion 35°Culet: NoneDepth 66.2%

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: $8,456 AUD|Low: $1,217 AUD|High: $8,513 AUD|Avg: $3,605 AUD|-0.7%
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
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Retailer 15
Retailer 16
Retailer 17
Retailer 18
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Retailer 22
October 31, 2026
Retailer 4$1,217 AUD
Retailer 14$1,324 AUD
Retailer 8$1,361 AUD
Retailer 21$1,412 AUD
Retailer 19$1,640 AUD
Retailer 17$1,658 AUD
Retailer 5$1,760 AUD
Retailer 13$2,152 AUD
Retailer 2$2,245 AUD
Retailer 15$2,269 AUD
Retailer 9$2,271 AUD
Retailer 6$2,342 AUD
Retailer 16$2,595 AUD
Retailer 22$3,244 AUD
Retailer 3$3,905 AUD
Retailer 20$3,969 AUD
Retailer 12$4,416 AUD
Retailer 10$4,674 AUD
Retailer 11$4,744 AUD
Retailer 7$4,895 AUD
Retailer 18$5,299 AUD
Brilliant Earth$8,456 AUD

38 data points across 22 retailers

23 retailers$1,217 AUD to $8,456 AUD

A
Cheapest Retailer
-
$1,217 AUD
$855 USD
A
Retailer 2
-
$1,324 AUD
$930 USD
View
A
Retailer 3
-
$1,361 AUD
$956 USD
View
Final sale: no returns
A
Retailer 4
-
$1,412 AUD
$992 USD
View
A
Retailer 5
-
$1,640 AUD
HK$9,000 HKD
View
A
Retailer 6
-
$1,658 AUD
$1,165 USD
View
A
Retailer 7
-
$1,760 AUD
$1,236 USD
View
B+
Retailer 8
-
$2,152 AUD
£1,190 GBP
View
B+
Retailer 9
-
$2,245 AUD
€1,502 EUR
View
Retailer 10
-
$2,269 AUD
$1,594 USD
View
Price last confirmed 18 days ago
B+
Retailer 11
-
$2,271 AUD
$1,595 USD
View
B+
Retailer 12
-
$2,342 AUD
$1,645 USD
View
B+
Retailer 13
-
$2,595 AUD
ZAR 29,446 ZAR
View
B
Retailer 14
-
$3,244 AUD
$2,279 USD
View
B
Retailer 15
-
$3,905 AUD
£2,160 GBP
View
B+
Retailer 16
-
$3,969 AUD
$2,788 USD
View
B+
Retailer 17
-
$4,181 AUD
$2,937 USD
View
B+
Retailer 18
-
$4,416 AUD
$3,102 USD
View
B
Retailer 19
-
$4,674 AUD
$3,283 USD
View
B
Retailer 20
-
$4,744 AUD
SGD 4,503 SGD
View
B
Retailer 21
-
$4,895 AUD
$3,438 USD
View
B
Retailer 22
-
$5,299 AUD
£2,931 GBP
View
Most Expensive
B
Brilliant Earth
19074537A · Oct 29
$8,456 AUD
$5,940 USD
View
22 more retailers have this diamond
Prices start from $1,217 AUDSave up to $7,239 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
$1,217 AUD