Round|Lab Grown|IGI

3.50ct D VS1 Round Lab Grown Diamond

ID • D/VS1 • IGI LG831616987

Shape and cutting style on the report: Round brilliant

Certificate IGI LG831616987

Diamond specifications and retailer prices

From €677 EUR
$753 USD
As of October 27, 2026
Save €2,280 EUR (77%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €8,158 EUR at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

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 LG831616987 or 831616987. Listed at 20 retailers as of October 26, 2026, with a 337% 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 angle35.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831616987
Dimensions9.66 × 9.71 × 6.05 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.66 mm9.71 mm3.50 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831616987
Side View
Table 56.0%Crown 35.6°Girdle: MediumPavilion 40.9°Culet: NoneDepth 62.5%

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 27
Current: €8,158 EUR|Low: €655 EUR|High: €8,410 EUR|Avg: €2,320 EUR|-3.0%
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
October 27, 2026
Retailer 5€677 EUR
Retailer 16€964 EUR
Retailer 9€1,111 EUR
Retailer 10€1,132 EUR
Retailer 6€1,142 EUR
Retailer 2€1,221 EUR
Retailer 13€1,592 EUR
Retailer 12€1,612 EUR
Retailer 3€1,619 EUR
Retailer 14€1,791 EUR
Retailer 8€2,391 EUR
Retailer 4€2,418 EUR
Retailer 7€2,427 EUR
Retailer 11€2,956 EUR
Retailer 15€3,477 EUR
Brilliant Earth€8,158 EUR

37 data points across 16 retailers

20 retailers€677 EUR to €2,956 EUR

Retailer 1
-
€585 EUR
$651 USD
Price last confirmed 37 days ago
Retailer 2
-
€637 EUR
$709 USD
View
Price last confirmed 36 days ago
Retailer 3
-
€669 EUR
$745 USD
View
Price last confirmed 32 days ago
A
Retailer 4
-
€677 EUR
$753 USD
View
Final sale: no returns
Retailer 5
-
€964 EUR
£845 GBP
View
Price last confirmed 12 days ago
A
Retailer 6
-
€1,111 EUR
£974 GBP
View
A
Retailer 7
-
€1,132 EUR
$1,260 USD
View
A
Retailer 8
-
€1,142 EUR
$1,271 USD
View
A
Retailer 9
-
€1,221 EUR
View
Retailer 10
-
€1,592 EUR
A$2,726 AUD
View
Price last confirmed 9 days ago
B+
Retailer 11
-
€1,612 EUR
ZAR 28,990 ZAR
View
B+
Retailer 12
-
€1,619 EUR
$1,802 USD
View
B+
Retailer 13
-
€1,791 EUR
$1,993 USD
View
Retailer 14
-
€1,908 EUR
$2,124 USD
View
Price last confirmed 33 days ago
B
Retailer 15
-
€2,391 EUR
$2,661 USD
View
B
Retailer 16
-
€2,418 EUR
$2,691 USD
View
B
Retailer 17
-
€2,427 EUR
$2,701 USD
View
B
Retailer 18
-
€2,956 EUR
£2,591 GBP
View
Retailer 19
-
€3,477 EUR
$3,870 USD
View
Price last confirmed 11 days ago
Most Expensive
Brilliant Earth
21300317A · Oct 26
€8,158 EUR
$9,080 USD
View
Price under review
19 more retailers have this diamond
Prices start from €677 EURSave up to €2,280 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
€677 EUR