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Cushion|Lab Grown|IGI

15.65ct H VS1 Cushion Lab Grown Diamond

ID • H/VS1 • IGI LG627413256

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG627413256

Diamond specifications and retailer prices

From €3,510 EUR
£3,088 GBP
As of November 1, 2026
Save €12,592 EUR (78%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €16,103 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 15.65ct lab-grown cushion diamond

This 15.65ct lab-grown cushion sits in the over five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG627413256 or 627413256. Listed at 14 retailers as of October 31, 2026, with prices from €3,510 to €16,103, a €12,592 spread on the same certified stone. Brilliant Earth lists it at €16,103. 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

15.65
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.7°
Pavilion angle31.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG627413256
Dimensions14.80 × 14.01 × 8.74 mm
L/W Ratio1.06
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
14.80 mm14.01 mm15.65 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG627413256
Side View
Table 62.0%Crown 39.7°Girdle: MED-THKPavilion 31.2°Culet: NoneDepth 62.4%

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: €16,103 EUR|Low: €3,509 EUR|High: €17,213 EUR|Avg: €7,997 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
November 1, 2026
Retailer 7€3,510 EUR
Retailer 3€4,219 EUR
Retailer 14€4,371 EUR
Retailer 5€4,616 EUR
Retailer 9€5,093 EUR
Retailer 12€5,246 EUR
Retailer 10€6,765 EUR
Retailer 13€6,766 EUR
Retailer 8€7,076 EUR
Retailer 2€8,241 EUR
Retailer 11€10,641 EUR
Retailer 4€12,142 EUR
Retailer 6€15,553 EUR
Brilliant Earth€16,103 EUR

36 data points across 14 retailers

14 retailers€3,510 EUR to €16,103 EUR

A
Cheapest Retailer
-
€3,510 EUR
£3,088 GBP
A
Retailer 2
-
€4,219 EUR
$4,714 USD
View
Final sale: no returns
Retailer 3
-
€4,371 EUR
$4,883 USD
View
Price last confirmed 20 days ago
A
Retailer 4
-
€4,616 EUR
$5,157 USD
View
A
Retailer 5
-
€5,093 EUR
$5,690 USD
View
A
Retailer 6
-
€5,246 EUR
$5,861 USD
View
A
Retailer 7
-
€6,765 EUR
ZAR 122,097 ZAR
View
B+
Retailer 8
-
€6,766 EUR
$7,559 USD
View
A
Retailer 9
-
€7,076 EUR
View
B+
Retailer 10
-
€8,241 EUR
A$14,165 AUD
View
B+
Retailer 11
-
€10,641 EUR
$11,888 USD
View
B
Retailer 12
-
€12,142 EUR
$13,565 USD
View
B
Retailer 13
-
€15,553 EUR
$17,376 USD
View
Most Expensive
B
Brilliant Earth
20602619A · Oct 31
€16,103 EUR
$17,990 USD
View
13 more retailers have this diamond
Prices start from €3,510 EURSave up to €12,592 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
15.65ct Cushion
€3,510 EUR