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Radiant|Lab Grown|IGI

3.09ct F VVS1 Radiant Lab Grown Diamond

ID • F/VVS1 • IGI LG851681657

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

Certificate IGI LG851681657

Diamond specifications and retailer prices

From $824 AUD
As of November 4, 2026
Save $5,847 AUD (88%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $6,671 AUD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 3.09ct lab-grown radiant diamond

This 3.09ct lab-grown radiant sits in the three to five carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG851681657 or 851681657. Listed at 22 retailers as of November 4, 2026, with prices from $824 to $6,671, a $5,847 spread on the same certified stone. Brilliant Earth lists it at $6,671. 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

3.09
Carat
F
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.7°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851681657
Dimensions10.29 × 7.14 × 4.87 mm
L/W Ratio1.44
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.29 mm7.14 mm3.09 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851681657
Side View
Table 64.0%Crown 40.7°Girdle: Slightly ThickPavilion 35.2°Culet: NoneDepth 68.2%

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: Nov 4
Current: $6,671 AUD|Low: $824 AUD|High: $6,671 AUD|Avg: $2,486 AUD
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 22
November 5, 2026
Retailer 14$824 AUD
Retailer 8$922 AUD
Retailer 21$924 AUD
Retailer 3$1,022 AUD
Retailer 16$1,106 AUD
Retailer 4$1,212 AUD
Retailer 11$1,361 AUD
Retailer 7$1,520 AUD
Retailer 10$1,522 AUD
Retailer 13$1,582 AUD
Retailer 19$2,218 AUD
Retailer 17$2,312 AUD
Retailer 6$2,560 AUD
Retailer 5$2,688 AUD
Retailer 18$3,071 AUD
Retailer 12$3,310 AUD
Retailer 15$3,348 AUD
Retailer 22$3,423 AUD
Retailer 9$3,822 AUD
Retailer 2$4,426 AUD
Retailer 20$4,840 AUD
Brilliant Earth$6,671 AUD

7 data points across 22 retailers

22 retailers$824 AUD to $6,671 AUD

A
Cheapest Retailer
-
$824 AUD
A
Retailer 2
-
$922 AUD
View
Final sale: no returns
A
Retailer 3
-
$924 AUD
View
A
Retailer 4
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$1,022 AUD
View
A
Retailer 5
-
$1,106 AUD
View
A
Retailer 6
-
$1,212 AUD
View
A
Retailer 7
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$1,361 AUD
View
A
Retailer 8
-
$1,520 AUD
View
A
Retailer 9
-
$1,522 AUD
View
A
Retailer 10
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$1,582 AUD
View
B+
Retailer 11
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$2,218 AUD
View
B+
Retailer 12
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$2,312 AUD
View
B+
Retailer 13
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$2,560 AUD
View
B+
Retailer 14
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$2,688 AUD
View
B+
Retailer 15
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$3,071 AUD
View
B+
Retailer 16
-
$3,310 AUD
View
B+
Retailer 17
-
$3,348 AUD
View
B
Retailer 18
-
$3,423 AUD
View
B
Retailer 19
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$3,822 AUD
View
B
Retailer 20
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$4,426 AUD
View
B
Retailer 21
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$4,840 AUD
View
Most Expensive
B
Brilliant Earth
22378146A · Nov 4
$6,671 AUD
$4,680 USD
View
21 more retailers have this diamond
Prices start from $824 AUDSave up to $5,847 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
3.09ct Radiant
$824 AUD