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Round|Lab Grown|IGI

3.40ct D VVS1 Round Lab Grown Diamond

ID • D/VVS1 • IGI LG618431473

Shape and cutting style on the report: Round brilliant

Certificate IGI LG618431473

Diamond specifications and retailer prices

From $1,166 AUD
$819 USD
As of October 29, 2026
Save $10,620 AUD (90%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $16,326 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.4ct lab-grown round diamond

This 3.4ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG618431473 or 618431473. Listed at 20 retailers as of October 29, 2026, with a 911% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.40
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG618431473
Dimensions9.68 × 9.62 × 5.93 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS 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
9.68 mm9.62 mm3.40 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG618431473
Side View
Table 57.0%Crown 34.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.4%

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: Oct 29
Current: $16,326 AUD|Low: $833 AUD|High: $16,326 AUD|Avg: $4,421 AUD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 17
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Retailer 19
Retailer 20
October 30, 2026
Retailer 12$1,166 AUD
Retailer 20$1,327 AUD
Retailer 5$1,443 AUD
Retailer 8$1,816 AUD
Retailer 14$2,250 AUD
Retailer 19$2,256 AUD
Retailer 2$2,331 AUD
Retailer 4$2,467 AUD
Retailer 15$2,587 AUD
Retailer 17$2,691 AUD
Retailer 6$2,777 AUD
Retailer 10$3,184 AUD
Retailer 18$3,423 AUD
Retailer 16$3,832 AUD
Retailer 13$5,792 AUD
Retailer 3$5,893 AUD
Retailer 11$8,669 AUD
Retailer 9$10,783 AUD
Retailer 7$11,786 AUD
Brilliant Earth$16,326 AUD

43 data points across 20 retailers

20 retailers$1,166 AUD to $11,786 AUD

A
Cheapest Retailer
-
$1,166 AUD
$819 USD
Final sale: no returns
A
Retailer 2
-
$1,327 AUD
$932 USD
View
A
Retailer 3
-
$1,443 AUD
$1,014 USD
View
A
Retailer 4
-
$1,816 AUD
$1,276 USD
View
A
Retailer 5
-
$2,025 AUD
$1,423 USD
View
B+
Retailer 6
-
$2,256 AUD
$1,585 USD
View
A
Retailer 7
-
$2,331 AUD
£1,290 GBP
View
B+
Retailer 8
-
$2,467 AUD
$1,733 USD
View
B+
Retailer 9
-
$2,587 AUD
€1,731 EUR
View
B+
Retailer 10
-
$2,691 AUD
View
B+
Retailer 11
-
$2,777 AUD
$1,951 USD
View
B+
Retailer 12
-
$3,184 AUD
$2,237 USD
View
B+
Retailer 13
-
$3,423 AUD
$2,405 USD
View
Retailer 14
-
$3,832 AUD
View
Price last confirmed 8 days ago
B+
Retailer 15
-
$5,792 AUD
£3,204 GBP
View
Retailer 16
-
$5,893 AUD
View
Price last confirmed 21 days ago
B
Retailer 17
-
$8,669 AUD
$6,090 USD
View
B
Retailer 18
-
$10,783 AUD
$7,576 USD
View
B
Retailer 19
-
$11,786 AUD
$8,280 USD
View
Most Expensive
Brilliant Earth
9434659Y · Oct 29
$16,326 AUD
$11,470 USD
View
Price under review
19 more retailers have this diamond
Prices start from $1,166 AUDSave up to $10,620 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
3.40ct Round
$1,166 AUD