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Round|Lab Grown|IGI

6.05ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG780667858

Shape and cutting style on the report: Round brilliant

Certificate IGI LG780667858

Diamond specifications and retailer prices

From $19,098 AUD
$13,415 USD
As of November 1, 2026
Save $54,301 AUD (74%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $73,399 AUD at Frank Darling · As of October 31, 2026
View at Frank Darling

About this 6.05ct lab-grown round diamond

This 6.05ct lab-grown round sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780667858 or 780667858. Listed at 21 retailers as of October 31, 2026, with prices from $19,098 to $73,399, a $54,301 spread on the same certified stone. Frank Darling lists it at $73,399. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

6.05
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780667858
Dimensions11.70 × 11.74 × 7.18 mm
L/W Ratio1.00
Girdle conditionFaceted
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
11.70 mm11.74 mm6.05 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780667858
Side View
Table 57.0%Crown 33.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.2%

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: Nov 1
Current: $73,399 AUD|Low: $19,098 AUD|High: $294,567 AUD|Avg: $64,083 AUD|-36.0%
Frank Darling
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
November 1, 2026
Retailer 6$19,098 AUD
Retailer 3$21,293 AUD
Retailer 19$21,454 AUD
Retailer 15$21,804 AUD
Retailer 18$23,262 AUD
Retailer 17$23,437 AUD
Retailer 9$23,847 AUD
Retailer 11$24,699 AUD
Retailer 16$25,424 AUD
Retailer 4$25,552 AUD
Retailer 12$29,938 AUD
Retailer 2$42,825 AUD
Retailer 14$43,896 AUD
Retailer 13$52,759 AUD
Retailer 8$67,373 AUD
Retailer 5$67,969 AUD
Frank Darling$73,399 AUD
Retailer 7$95,395 AUD
Retailer 10$188,278 AUD

38 data points across 19 retailers

21 retailers$19,098 AUD to $73,399 AUD

A
Cheapest Retailer
-
$19,098 AUD
$13,415 USD
A
Retailer 2
-
$21,293 AUD
$14,957 USD
View
A
Retailer 3
-
$21,454 AUD
$15,070 USD
View
A
Retailer 4
-
$21,804 AUD
$15,316 USD
View
A
Retailer 5
-
$23,262 AUD
$16,340 USD
View
A
Retailer 6
-
$23,437 AUD
$16,463 USD
View
A
Retailer 7
-
$23,847 AUD
$16,751 USD
View
Final sale: no returns
A
Retailer 8
-
$24,699 AUD
$17,350 USD
View
Retailer 9
-
$24,699 AUD
$17,350 USD
View
Price last confirmed 16 days ago
A
Retailer 10
-
$25,424 AUD
$17,859 USD
View
A
Retailer 11
-
$25,552 AUD
$17,949 USD
View
B+
Retailer 12
-
$29,938 AUD
£16,559 GBP
View
B+
Retailer 13
-
$42,825 AUD
£23,687 GBP
View
B+
Retailer 14
-
$43,896 AUD
€29,366 EUR
View
B
Retailer 15
-
$52,759 AUD
ZAR 598,714 ZAR
View
B
Retailer 16
-
$63,418 AUD
$44,548 USD
View
B
Retailer 17
-
$67,373 AUD
$47,326 USD
View
B
Retailer 18
-
$67,969 AUD
$47,745 USD
View
Most Expensive
B
Frank Darling
FK91228LGMY · Oct 31
$73,399 AUD
$51,559 USD
View
18 more retailers have this diamond
Prices start from $19,098 AUDSave up to $54,301 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
6.05ct Round
$19,098 AUD