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Round|Lab Grown|IGI

3.40ct D VVS1 Round Lab Grown Diamond

ID • D/VVS1 • IGI LG812606137

Shape and cutting style on the report: Round brilliant

Certificate IGI LG812606137

Diamond specifications and retailer prices

From €747 EUR
$831 USD
As of October 26, 2026
Save €3,683 EUR (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €10,359 EUR 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 LG812606137 or 812606137. Listed at 20 retailers as of October 26, 2026, with a 493% 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 angle33.4°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812606137
Dimensions9.69 × 9.73 × 5.81 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
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
9.69 mm9.73 mm3.40 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812606137
Side View
Table 59.0%Crown 33.4°Girdle: MediumPavilion 40.3°Culet: NoneDepth 59.8%

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: €10,359 EUR|Low: €747 EUR|High: €10,359 EUR|Avg: €2,158 EUR
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 29, 2026
Retailer 8€747 EUR
Retailer 5€812 EUR
Retailer 9€836 EUR
Retailer 3€866 EUR
Retailer 7€1,001 EUR
Retailer 18€1,024 EUR
Retailer 6€1,142 EUR
Retailer 15€1,229 EUR
Retailer 2€1,321 EUR
Retailer 14€1,367 EUR
Retailer 10€1,961 EUR
Retailer 19€1,990 EUR
Retailer 12€2,010 EUR
Retailer 4€2,434 EUR
Retailer 11€2,795 EUR
Retailer 17€2,884 EUR
Retailer 13€3,262 EUR
Retailer 16€4,429 EUR
Brilliant Earth€10,359 EUR

23 data points across 19 retailers

20 retailers€747 EUR to €4,429 EUR

A
Cheapest Retailer
-
€747 EUR
$831 USD
A
Retailer 2
-
€812 EUR
$904 USD
View
A
Retailer 3
-
€836 EUR
$930 USD
View
Final sale: no returns
A
Retailer 4
-
€866 EUR
$964 USD
View
A
Retailer 5
-
€890 EUR
$991 USD
View
Price last confirmed 12 days ago
A
Retailer 6
-
€1,001 EUR
HK$8,700 HKD
View
A
Retailer 7
-
€1,024 EUR
$1,140 USD
View
A
Retailer 8
-
€1,142 EUR
$1,271 USD
View
A
Retailer 9
-
€1,229 EUR
$1,368 USD
View
A
Retailer 10
-
€1,321 EUR
£1,158 GBP
View
A
Retailer 11
-
€1,367 EUR
View
B+
Retailer 12
-
€1,961 EUR
A$3,357 AUD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
€1,990 EUR
$2,215 USD
View
B+
Retailer 14
-
€2,010 EUR
ZAR 36,142 ZAR
View
B+
Retailer 15
-
€2,434 EUR
$2,709 USD
View
B+
Retailer 16
-
€2,795 EUR
$3,111 USD
View
B+
Retailer 17
-
€2,884 EUR
SGD 4,338 SGD
View
B
Retailer 18
-
€3,262 EUR
£2,859 GBP
View
B
Retailer 19
-
€4,429 EUR
$4,930 USD
View
Most Expensive
B
Brilliant Earth
20448652A · Oct 29
€10,359 EUR
$11,530 USD
View
Price under review
19 more retailers have this diamond
Prices start from €747 EURSave up to €3,683 EUR

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
€747 EUR