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Round|Lab Grown|IGI

4.09ct I VVS2 Round Lab Grown Diamond

ID • I/VVS2 • IGI LG839675871

Shape and cutting style on the report: Round brilliant

Certificate IGI LG839675871

Diamond specifications and retailer prices

From $673 AUD
$473 USD
As of October 26, 2026
Save $7,091 AUD (91%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $7,764 AUD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 4.09ct lab-grown round diamond

This 4.09ct lab-grown round sits in the three to five carat band, graded I colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG839675871 or 839675871. Listed at 19 retailers as of October 26, 2026, with prices from $673 to $7,764, a $7,091 spread on the same certified stone. Brilliant Earth lists it at $7,764. 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

4.09
Carat
I
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839675871
Dimensions10.24 × 10.26 × 6.21 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.24 mm10.26 mm4.09 ctI / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839675871
Side View
Table 60.0%Crown 35.2°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 60.6%

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 26
Current: $1,242 AUD|Low: $661 AUD|High: $3,754 AUD|Avg: $1,789 AUD|-1.1%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 29, 2026
Retailer 5$673 AUD
Retailer 8$768 AUD
Retailer 13$833 AUD
Retailer 10$855 AUD
Retailer 14$928 AUD
Retailer 11$933 AUD
Retailer 16$1,116 AUD
Retailer 18$1,138 AUD
Retailer 1$1,242 AUD
Retailer 12$1,314 AUD
Retailer 15$1,658 AUD
Retailer 2$1,961 AUD
Retailer 6$2,284 AUD
Retailer 17$2,677 AUD
Retailer 4$2,687 AUD
Retailer 3$2,720 AUD
Retailer 7$3,550 AUD
Retailer 9$3,704 AUD

29 data points across 18 retailers

19 retailers$673 AUD to $7,764 AUD

A
Cheapest Retailer
-
$673 AUD
$473 USD
A
Retailer 2
-
$768 AUD
$540 USD
View
A
Retailer 3
-
$833 AUD
$586 USD
View
A
Retailer 4
-
$855 AUD
$601 USD
View
Price last confirmed 12 days ago
A
Retailer 5
-
$928 AUD
HK$5,100 HKD
View
A
Retailer 6
-
$933 AUD
£516 GBP
View
B+
Retailer 7
-
$1,116 AUD
$785 USD
View
A
Retailer 8
-
$1,138 AUD
$800 USD
View
A
Retailer 9
-
$1,242 AUD
€832 EUR
View
A
Retailer 10
-
$1,314 AUD
$924 USD
View
A
Retailer 11
-
$1,658 AUD
ZAR 18,835 ZAR
View
A
Retailer 12
-
$1,961 AUD
$1,379 USD
View
B+
Retailer 13
-
$2,284 AUD
$1,606 USD
View
B+
Retailer 14
-
$2,677 AUD
$1,883 USD
View
B+
Retailer 15
-
$2,687 AUD
SGD 2,554 SGD
View
B+
Retailer 16
-
$2,720 AUD
$1,913 USD
View
B+
Retailer 17
-
$3,550 AUD
£1,966 GBP
View
B
Retailer 18
-
$3,704 AUD
$2,605 USD
View
Price last confirmed 7 days ago
Most Expensive
B
Brilliant Earth
21790516A · Oct 28
$7,764 AUD
$5,460 USD
View
18 more retailers have this diamond
Prices start from $673 AUDSave up to $7,091 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
4.09ct Round
$673 AUD