Radiant|Lab Grown|IGI

6.09ct D VVS2 Radiant Lab Grown Diamond

ID • D/VVS2 • IGI LG821658435

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

Certificate IGI LG821658435

Diamond specifications and retailer prices

From $2,945 AUD
$2,069 USD
As of October 29, 2026
Save $9,653 AUD (77%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $12,599 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 6.09ct lab-grown radiant diamond

This 6.09ct lab-grown radiant sits in the over five carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG821658435 or 821658435. Listed at 14 retailers as of October 29, 2026, with prices from $2,945 to $12,599, a $9,653 spread on the same certified stone. Brilliant Earth lists it at $12,599. 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

6.09
Carat
D
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.6°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821658435
Dimensions10.25 × 10.17 × 6.79 mm
L/W Ratio1.01
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.25 mm10.17 mm6.09 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821658435
Side View
Table 65.0%Crown 43.6°Girdle: MediumPavilion 36.3°Culet: NoneDepth 66.8%

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 29
Current: $12,599 AUD|Low: $2,945 AUD|High: $12,599 AUD|Avg: $6,345 AUD
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
October 31, 2026
Retailer 14$2,945 AUD
Retailer 5$3,052 AUD
Retailer 10$3,175 AUD
Retailer 3$3,587 AUD
Retailer 2$4,079 AUD
Retailer 4$4,782 AUD
Retailer 9$5,277 AUD
Retailer 7$5,905 AUD
Retailer 6$6,313 AUD
Retailer 12$8,223 AUD
Retailer 11$8,758 AUD
Retailer 8$8,761 AUD
Retailer 13$10,692 AUD
Brilliant Earth$12,599 AUD

17 data points across 14 retailers

14 retailers$2,945 AUD to $12,599 AUD

A
Cheapest Retailer
-
$2,945 AUD
$2,069 USD
Final sale: no returns
Retailer 2
-
$3,052 AUD
$2,144 USD
View
Price last confirmed 20 days ago
Retailer 3
-
$3,175 AUD
£1,756 GBP
View
Price last confirmed 14 days ago
A
Retailer 4
-
$3,587 AUD
$2,520 USD
View
A
Retailer 5
-
$4,079 AUD
$2,865 USD
View
B+
Retailer 6
-
$4,782 AUD
$3,359 USD
View
Retailer 7
-
$5,277 AUD
€3,530 EUR
View
Price last confirmed 7 days ago
B+
Retailer 8
-
$5,905 AUD
ZAR 67,012 ZAR
View
B+
Retailer 9
-
$6,313 AUD
£3,492 GBP
View
B
Retailer 10
-
$8,223 AUD
$5,776 USD
View
B
Retailer 11
-
$8,758 AUD
$6,152 USD
View
B+
Retailer 12
-
$8,761 AUD
£4,846 GBP
View
B
Retailer 13
-
$10,692 AUD
$7,511 USD
View
Most Expensive
B
Brilliant Earth
20748619A · Oct 29
$12,599 AUD
$8,850 USD
View
13 more retailers have this diamond
Prices start from $2,945 AUDSave up to $9,653 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
6.09ct Radiant
$2,945 AUD