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Cushion|Lab Grown|IGI

12.72ct H VS1 Cushion Lab Grown Diamond

EX • H/VS1 • IGI LG605389037

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG605389037

Diamond specifications and retailer prices

From €3,287 EUR
$3,672 USD
As of October 31, 2026
Save €8,886 EUR (73%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €12,173 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 12.72ct lab-grown cushion diamond

This 12.72ct 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 LG605389037 or 605389037. Listed at 14 retailers as of October 31, 2026, with prices from €3,287 to €12,173, a €8,886 spread on the same certified stone. Brilliant Earth lists it at €12,173. 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

12.72
Carat
H
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle30.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG605389037
Dimensions13.49 × 12.81 × 7.99 mm
L/W Ratio1.05
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
13.49 mm12.81 mm12.72 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG605389037
Side View
Table 64.0%Crown 34°Girdle: STK-VTKPavilion 30.5°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: Oct 31
Current: €12,173 EUR|Low: €2,347 EUR|High: €15,888 EUR|Avg: €6,110 EUR|-23.4%
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
October 31, 2026
Retailer 3€3,287 EUR
Retailer 12€3,405 EUR
Retailer 13€3,719 EUR
Retailer 10€4,294 EUR
Retailer 9€4,296 EUR
Retailer 4€5,197 EUR
Retailer 6€5,269 EUR
Retailer 11€5,285 EUR
Retailer 2€5,432 EUR
Retailer 8€6,348 EUR
Retailer 7€7,175 EUR
Retailer 5€9,445 EUR
Brilliant Earth€12,173 EUR

34 data points across 13 retailers

14 retailers€3,287 EUR to €12,173 EUR

A
Cheapest Retailer
-
€3,287 EUR
$3,672 USD
Final sale: no returns
Retailer 2
-
€3,405 EUR
$3,804 USD
View
Price last confirmed 19 days ago
A
Retailer 3
-
€3,719 EUR
$4,155 USD
View
A
Retailer 4
-
€4,294 EUR
$4,797 USD
View
A
Retailer 5
-
€4,296 EUR
$4,800 USD
View
A
Retailer 6
-
€5,197 EUR
£4,572 GBP
View
A
Retailer 7
-
€5,269 EUR
ZAR 95,106 ZAR
View
Retailer 8
-
€5,285 EUR
$5,904 USD
View
Price last confirmed 11 days ago
A
Retailer 9
-
€5,432 EUR
View
Retailer 10
-
€6,348 EUR
A$10,910 AUD
View
Price last confirmed 9 days ago
B+
Retailer 11
-
€7,175 EUR
$8,016 USD
View
B
Retailer 12
-
€9,445 EUR
$10,552 USD
View
B
Retailer 13
-
€11,924 EUR
$13,321 USD
View
Most Expensive
B
Brilliant Earth
20602204A · Oct 31
€12,173 EUR
$13,600 USD
View
13 more retailers have this diamond
Prices start from €3,287 EURSave up to €8,886 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
12.72ct Cushion
€3,287 EUR