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Cushion|Lab Grown|IGI

3.45ct D VVS1 Cushion Lab Grown Diamond

EX • D/VVS1 • IGI LG731571923

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG731571923

Diamond specifications and retailer prices

From €2,904 EUR
$3,244 USD
As of October 30, 2026
Save €6,271 EUR (68%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €9,175 EUR at Brilliant Earth · As of October 24, 2026
View at Brilliant Earth

About this 3.45ct lab-grown cushion diamond

This 3.45ct 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 LG731571923 or 731571923. Listed at 2 retailers as of October 24, 2026, with prices from €2,904 to €9,175, a €6,271 spread on the same certified stone. Brilliant Earth lists it at €9,175. 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

3.45
Carat
D
Color
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG731571923
Dimensions9.90 × 7.83 mm
L/W Ratio1.26
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.90 mm7.83 mm3.45 ctD / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG731571923
Side View
Table 59.0%Crown 37.6°Girdle: STK-THKPavilion 35.6°Culet: NoneDepth 66.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €9,175 EUR|Low: €2,904 EUR|High: €19,280 EUR|Avg: €6,780 EUR|-2.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 4, 2026
Retailer 2€2,904 EUR
Retailer 8€2,953 EUR
Retailer 10€3,374 EUR
Retailer 3€4,162 EUR
Retailer 4€4,563 EUR
Retailer 9€4,633 EUR
Retailer 7€5,216 EUR
Brilliant Earth€9,175 EUR
Retailer 5€11,402 EUR
Retailer 6€19,280 EUR

2 data points across 10 retailers

2 retailers€2,904 EUR to €9,175 EUR

B+
Cheapest Retailer
-
€2,904 EUR
$3,244 USD
Most Expensive
B
Brilliant Earth
18874709A · Oct 24
€9,175 EUR
$10,250 USD
View
1 more retailer has this diamond
Prices start from €2,904 EURSave up to €6,271 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.

B+
3.45ct Cushion
€2,904 EUR