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Cushion|Lab Grown|IGI

1.73ct E VS2 Cushion Lab Grown Diamond

EX • E/VS2 • IGI LG837694678

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG837694678

Diamond specifications and retailer prices

From €273 EUR
£239 GBP
As of October 29, 2026
Save €662 EUR (71%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: €1,056 EUR at Rare Carat · As of October 21, 2026
View at Rare Carat

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 E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG837694678 or 837694678. Listed at 5 retailers as of October 29, 2026, with a 243% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.73
Carat
E
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837694678
Dimensions8.37 × 6.20 × 4.25 mm
L/W Ratio1.35
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.37 mm6.20 mm1.73 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837694678
Side View
Table 60.0%Crown 37.2°Girdle: MED-STKPavilion 37.8°CuletDepth 68.5%

Caratlytics Score

How it works →
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 29
Current: €1,056 EUR|Low: €271 EUR|High: €1,069 EUR|Avg: €681 EUR|-1.3%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 29, 2026
Retailer 4€273 EUR
Retailer 2€392 EUR
Retailer 5€633 EUR
Retailer 3€935 EUR
Rare Carat€1,056 EUR

25 data points across 5 retailers

5 retailers€273 EUR to €935 EUR

A
Cheapest Retailer
-
€273 EUR
£239 GBP
A
Retailer 2
-
€392 EUR
View
B+
Retailer 3
-
€633 EUR
$705 USD
View
B+
Retailer 4
-
€935 EUR
£819 GBP
View
Most Expensive
B
Rare Carat
LGLCU15-154079 · Oct 21
€1,056 EUR
$1,175 USD
View
Price last confirmed 8 days ago
4 more retailers have this diamond
Prices start from €273 EURSave up to €662 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
€273 EUR