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Radiant|Lab Grown|IGI

0.78ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG818658786

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

Certificate IGI LG818658786

Diamond specifications and retailer prices

From $488 AUD
$343 USD
As of October 30, 2026
Save $1,695 AUD (78%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,183 AUD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 0.78ct lab-grown radiant diamond

This 0.78ct lab-grown radiant sits in the just-under-one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818658786 or 818658786. Listed at 18 retailers as of October 30, 2026, with prices from $488 to $2,183, a $1,695 spread on the same certified stone. Reve Diamonds lists it at $2,183. Flawless clarity in sub-one-carat stones is rarely visible to the naked eye over VS1, so you are paying a meaningful premium for grade rather than appearance.

The 4Cs

0.78
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.3°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818658786
Dimensions6.62 × 4.54 × 3.16 mm
L/W Ratio1.46
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
6.62 mm4.54 mm0.78 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818658786
Side View
Table 65.0%Crown 41.3°Girdle: MED-STKPavilion 37.1°Culet: NoneDepth 69.6%

Caratlytics Score

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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: $1,011 AUD|Low: $347 AUD|High: $2,195 AUD|Avg: $1,194 AUD|-36.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Reve Diamonds
October 30, 2026
Retailer 4$488 AUD
Retailer 2$541 AUD
Retailer 13$762 AUD
Retailer 12$772 AUD
Retailer 11$797 AUD
Retailer 9$877 AUD
Retailer 6$962 AUD
Retailer 7$978 AUD
Retailer 1$1,011 AUD
Retailer 3$1,216 AUD
Retailer 10$1,663 AUD
Retailer 5$1,806 AUD
Retailer 8$2,171 AUD
Reve Diamonds$2,183 AUD

34 data points across 14 retailers

18 retailers$488 AUD to $2,183 AUD

Retailer 1
-
$436 AUD
$306 USD
Price last confirmed 23 days ago
A
Retailer 2
-
$488 AUD
$343 USD
View
Final sale: no returns
Retailer 3
-
$534 AUD
$375 USD
View
Price last confirmed 36 days ago
Retailer 4
-
$541 AUD
$380 USD
View
Price last confirmed 19 days ago
Retailer 5
-
$541 AUD
$380 USD
View
Price last confirmed 28 days ago
A
Retailer 6
-
$762 AUD
$535 USD
View
A
Retailer 7
-
$772 AUD
$542 USD
View
A
Retailer 8
-
$797 AUD
$560 USD
View
Retailer 9
-
$877 AUD
€587 EUR
View
Price last confirmed 7 days ago
B+
Retailer 10
-
$962 AUD
£532 GBP
View
B+
Retailer 11
-
$978 AUD
ZAR 11,104 ZAR
View
B+
Retailer 12
-
$1,011 AUD
$710 USD
View
B+
Retailer 13
-
$1,216 AUD
$854 USD
View
B
Retailer 14
-
$1,663 AUD
$1,168 USD
View
Retailer 15
-
$1,740 AUD
$1,222 USD
View
Price last confirmed 30 days ago
B
Retailer 16
-
$1,806 AUD
$1,269 USD
View
B
Retailer 17
-
$2,171 AUD
£1,201 GBP
View
Most Expensive
B
Reve Diamonds
E065381F7 · Oct 30
$2,183 AUD
$1,533 USD
View
17 more retailers have this diamond
Prices start from $488 AUDSave up to $1,695 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
0.78ct Radiant
$488 AUD