Round|Lab Grown|IGI

3.50ct D VS1 Round Lab Grown Diamond

ID • D/VS1 • IGI LG799616678

Shape and cutting style on the report: Round brilliant

Certificate IGI LG799616678

Diamond specifications and retailer prices

From €605 EUR
$673 USD
As of October 26, 2026
Save €2,352 EUR (80%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €3,477 EUR at Rare Carat · As of October 18, 2026
View at Rare Carat

About this 3.5ct lab-grown round diamond

This 3.5ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG799616678 or 799616678. Listed at 21 retailers as of October 26, 2026, with a 389% 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

3.50
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799616678
Dimensions9.80 × 9.76 × 5.95 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
9.80 mm9.76 mm3.50 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799616678
Side View
Table 58.0%Crown 34.3°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 60.9%

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 26
Current: €3,477 EUR|Low: €585 EUR|High: €3,513 EUR|Avg: €1,459 EUR|-0.8%
Rare Carat
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
Retailer 20
Retailer 21
October 27, 2026
Retailer 5€605 EUR
Retailer 19€658 EUR
Retailer 10€677 EUR
Retailer 3€701 EUR
Retailer 4€701 EUR
Retailer 21€964 EUR
Retailer 7€1,057 EUR
Retailer 13€1,111 EUR
Retailer 16€1,132 EUR
Retailer 11€1,142 EUR
Retailer 2€1,221 EUR
Retailer 18€1,592 EUR
Retailer 17€1,612 EUR
Retailer 8€1,619 EUR
Retailer 20€1,791 EUR
Retailer 6€1,970 EUR
Retailer 14€2,391 EUR
Retailer 9€2,418 EUR
Retailer 12€2,427 EUR
Retailer 15€2,956 EUR
Rare Carat€3,477 EUR

40 data points across 21 retailers

21 retailers€605 EUR to €2,956 EUR

A
Cheapest Retailer
-
€605 EUR
$673 USD
A
Retailer 2
-
€658 EUR
$732 USD
View
A
Retailer 3
-
€677 EUR
$753 USD
View
Final sale: no returns
A
Retailer 4
-
€701 EUR
$780 USD
View
Retailer 5
-
€701 EUR
$780 USD
View
Price last confirmed 13 days ago
Retailer 6
-
€964 EUR
£845 GBP
View
Price last confirmed 13 days ago
A
Retailer 7
-
€1,057 EUR
$1,177 USD
View
A
Retailer 8
-
€1,111 EUR
£974 GBP
View
B+
Retailer 9
-
€1,132 EUR
$1,260 USD
View
A
Retailer 10
-
€1,142 EUR
$1,271 USD
View
B+
Retailer 11
-
€1,221 EUR
View
Retailer 12
-
€1,592 EUR
A$2,726 AUD
View
Price last confirmed 9 days ago
B+
Retailer 13
-
€1,612 EUR
ZAR 28,990 ZAR
View
B+
Retailer 14
-
€1,619 EUR
$1,802 USD
View
B+
Retailer 15
-
€1,791 EUR
$1,993 USD
View
B+
Retailer 16
-
€1,970 EUR
$2,193 USD
View
B
Retailer 17
-
€2,391 EUR
$2,661 USD
View
B
Retailer 18
-
€2,418 EUR
$2,691 USD
View
B
Retailer 19
-
€2,427 EUR
$2,701 USD
View
B
Retailer 20
-
€2,956 EUR
£2,591 GBP
View
Most Expensive
Rare Carat
950085 · Oct 18
€3,477 EUR
$3,870 USD
View
Price last confirmed 12 days ago
20 more retailers have this diamond
Prices start from €605 EURSave up to €2,352 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
3.50ct Round
€605 EUR