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Cushion|Lab Grown|IGI

1.73ct H VVS2 Cushion Lab Grown Diamond

ID • H/VVS2 • IGI LG620421291

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG620421291

Diamond specifications and retailer prices

From €243 EUR
$272 USD
As of October 30, 2026
Save €911 EUR (79%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €1,155 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.73ct lab-grown cushion diamond

This 1.73ct lab-grown cushion sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG620421291 or 620421291. Listed at 12 retailers as of October 30, 2026, with prices from €243 to €1,155, a €911 spread on the same certified stone. Brilliant Earth lists it at €1,155. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.73
Carat
H
Color
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620421291
Dimensions8.23 × 6.42 × 4.35 mm
L/W Ratio1.28
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
8.23 mm6.42 mm1.73 ctH / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620421291
Side View
Table 58.0%Crown 34°Girdle: STK-THKPavilion 39.2°Culet: NoneDepth 67.8%

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 30
Current: €1,155 EUR|Low: €237 EUR|High: €1,244 EUR|Avg: €603 EUR|-7.2%
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
November 1, 2026
Retailer 13€243 EUR
Retailer 2€323 EUR
Retailer 11€363 EUR
Retailer 5€425 EUR
Retailer 7€463 EUR
Retailer 6€484 EUR
Retailer 12€502 EUR
Retailer 3€564 EUR
Retailer 8€629 EUR
Retailer 10€674 EUR
Retailer 4€913 EUR
Retailer 9€1,082 EUR
Brilliant Earth€1,155 EUR

40 data points across 13 retailers

12 retailers€243 EUR to €1,155 EUR

A
Cheapest Retailer
-
€243 EUR
$272 USD
Final sale: no returns
A
Retailer 2
-
€323 EUR
£284 GBP
View
B+
Retailer 3
-
€363 EUR
$405 USD
View
A
Retailer 4
-
€463 EUR
ZAR 8,364 ZAR
View
A
Retailer 5
-
€484 EUR
View
A
Retailer 6
-
€502 EUR
$561 USD
View
A
Retailer 7
-
€564 EUR
$630 USD
View
A
Retailer 8
-
€629 EUR
A$1,081 AUD
View
B+
Retailer 9
-
€674 EUR
$753 USD
View
B+
Retailer 10
-
€913 EUR
$1,021 USD
View
B+
Retailer 11
-
€1,082 EUR
£952 GBP
View
Most Expensive
B+
Brilliant Earth
11234971A · Oct 31
€1,155 EUR
$1,290 USD
View
11 more retailers have this diamond
Prices start from €243 EURSave up to €911 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
1.73ct Cushion
€243 EUR