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Cushion|Lab Grown|IGI

3.50ct D VVS1 Cushion Lab Grown Diamond

EX • D/VVS1 • IGI LG681578781

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG681578781

Diamond specifications and retailer prices

From €1,264 EUR
$1,418 USD
As of November 1, 2026
Save €7,152 EUR (85%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: €8,417 EUR at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 3.5ct lab-grown cushion diamond

This 3.5ct lab-grown cushion 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 LG681578781 or 681578781. Listed at 20 retailers as of November 1, 2026, with prices from €1,264 to €8,417, a €7,152 spread on the same certified stone. Brilliant Earth lists it at €8,417. 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
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG681578781
Dimensions8.15 × 8.15 × 5.33 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
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
8.15 mm8.15 mm3.50 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG681578781
Side View
Table 60.0%Crown 35.2°Girdle: STK-THKPavilion 34.8°Culet: NoneDepth 65.4%

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: Nov 1
Current: €8,417 EUR|Low: €1,264 EUR|High: €9,335 EUR|Avg: €3,298 EUR|-9.8%
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
Retailer 20
November 2, 2026
Retailer 17€1,264 EUR
Retailer 18€1,467 EUR
Retailer 7€1,534 EUR
Retailer 9€1,598 EUR
Retailer 2€1,847 EUR
Retailer 3€1,979 EUR
Retailer 15€2,105 EUR
Retailer 4€2,359 EUR
Retailer 14€2,960 EUR
Retailer 19€3,043 EUR
Retailer 10€3,166 EUR
Retailer 11€3,405 EUR
Retailer 5€4,101 EUR
Retailer 13€4,211 EUR
Retailer 16€4,501 EUR
Retailer 12€4,599 EUR
Retailer 8€4,630 EUR
Retailer 20€4,908 EUR
Retailer 6€5,029 EUR
Brilliant Earth€8,417 EUR

34 data points across 20 retailers

20 retailers€1,264 EUR to €8,417 EUR

A
Cheapest Retailer
-
€1,264 EUR
$1,418 USD
Final sale: no returns
A
Retailer 2
-
€1,467 EUR
$1,645 USD
View
A
Retailer 3
-
€1,534 EUR
$1,720 USD
View
A
Retailer 4
-
€1,598 EUR
HK$14,000 HKD
View
A
Retailer 5
-
€1,847 EUR
£1,631 GBP
View
B+
Retailer 6
-
€1,979 EUR
$2,220 USD
View
A
Retailer 7
-
€2,105 EUR
View
B+
Retailer 8
-
€2,359 EUR
$2,646 USD
View
B+
Retailer 9
-
€2,960 EUR
A$5,107 AUD
View
B+
Retailer 10
-
€3,043 EUR
ZAR 55,147 ZAR
View
B+
Retailer 11
-
€3,166 EUR
£2,796 GBP
View
B
Retailer 12
-
€3,405 EUR
$3,819 USD
View
B
Retailer 13
-
€4,101 EUR
$4,600 USD
View
B+
Retailer 14
-
€4,211 EUR
£3,719 GBP
View
B
Retailer 15
-
€4,501 EUR
A$7,766 AUD
View
B
Retailer 16
-
€4,599 EUR
$5,159 USD
View
B
Retailer 17
-
€4,630 EUR
SGD 7,018 SGD
View
B
Retailer 18
-
€4,908 EUR
$5,505 USD
View
B
Retailer 19
-
€5,029 EUR
$5,640 USD
View
Most Expensive
B
Brilliant Earth
13772870A · Nov 2
€8,417 EUR
$9,440 USD
View
19 more retailers have this diamond
Prices start from €1,264 EURSave up to €7,152 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 Cushion
€1,264 EUR