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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 $819 USD
As of October 29, 2026
Save $7,461 USD (90%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $11,470 USD 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
Color
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $11,470 USD|Low: $585 USD|High: $11,470 USD|Avg: $3,082 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 19
Retailer 20
October 29, 2026
Retailer 12$819 USD
Retailer 20$932 USD
Retailer 5$1,014 USD
Retailer 8$1,276 USD
Retailer 13$1,581 USD
Retailer 19$1,585 USD
Retailer 14$1,642 USD
Retailer 4$1,733 USD
Retailer 15$1,818 USD
Retailer 17$1,890 USD
Retailer 6$1,951 USD
Retailer 10$2,237 USD
Retailer 18$2,405 USD
Retailer 16$2,692 USD
Retailer 2$4,069 USD
Retailer 3$4,140 USD
Retailer 11$6,090 USD
Retailer 9$7,576 USD
Retailer 7$8,280 USD
Brilliant Earth$11,470 USD

42 data points across 20 retailers

20 retailers$819 USD to $8,280 USD

A
Cheapest Retailer
-
$819 USD
Final sale: no returns
A
Retailer 2
-
$932 USD
View
A
Retailer 3
-
$1,014 USD
View
A
Retailer 4
-
$1,276 USD
View
B+
Retailer 5
-
$1,581 USD
View
B+
Retailer 6
-
$1,585 USD
View
A
Retailer 7
-
$1,642 USD
£1,293 GBP
View
B+
Retailer 8
-
$1,733 USD
View
B+
Retailer 9
-
$1,818 USD
€1,731 EUR
View
B+
Retailer 10
-
$1,890 USD
A$2,908 AUD
View
B+
Retailer 11
-
$1,951 USD
View
B+
Retailer 12
-
$2,237 USD
View
B+
Retailer 13
-
$2,405 USD
View
B+
Retailer 14
-
$2,692 USD
A$4,142 AUD
View
Price last confirmed 7 days ago
B+
Retailer 15
-
$4,069 USD
£3,204 GBP
View
B
Retailer 16
-
$4,140 USD
A$6,369 AUD
View
Price last confirmed 20 days ago
B
Retailer 17
-
$6,090 USD
View
B
Retailer 18
-
$7,576 USD
View
B
Retailer 19
-
$8,280 USD
View
Most Expensive
B
Brilliant Earth
9434659Y · Oct 29
$11,470 USD
View
Price under review
19 more retailers have this diamond
Prices start from $819 USDSave up to $7,461 USD

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
$819 USD